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OESA-2026-1539 (CVE-2026-0818)
Vulnerability from osv_openeuler – Published: 2026-03-06 11:10 – Updated: 2026-08-06 11:10 – Source website
VLAI
Summary
thunderbird security update
Details
Mozilla Thunderbird is a standalone mail and newsgroup client.
Security Fix(es):
When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles from the outer messages were active. If the user had additionally allowed loading of the remote content referenced by the outer email message, and the email was crafted by the sender using a combination of CSS rules and fonts and animations, then it was possible to extract the secret contents of the email. This vulnerability affects Thunderbird < 147.0.1 and Thunderbird < 140.7.1.(CVE-2026-0818)
Heap buffer overflow in libvpx. This vulnerability affects Firefox < 147.0.4, Firefox ESR < 140.7.1, Firefox ESR < 115.32.1, Thunderbird < 140.7.2, and Thunderbird < 147.0.2.(CVE-2026-2447)
Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2757)
Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2758)
Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2759)
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2760)
Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2761)
Integer overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2762)
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2763)
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2764)
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2765)
Use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2766)
Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2767)
Sandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2768)
Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2769)
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2770)
Undefined behavior in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2771)
Use-after-free in the Audio/Video: Playback component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2772)
Incorrect boundary conditions in the Web Audio component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2773)
Integer overflow in the Audio/Video component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2774)
Mitigation bypass in the DOM: HTML Parser component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2775)
Privilege escalation in the Messaging System component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2777)
Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2778)
Incorrect boundary conditions in the Networking: JAR component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2779)
Integer overflow in the Libraries component in NSS. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2781)
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2782)
Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2783)
Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2784)
Invalid pointer in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2785)
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2786)
Use-after-free in the DOM: Window and Location component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2787)
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2788)
Use-after-free in the Graphics: ImageLib component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2789)
Same-origin policy bypass in the Networking: JAR component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2790)
Mitigation bypass in the Networking: Cache component. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2791)
Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 148, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2792)
Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.(CVE-2026-2793)
Severity
10.0 (Critical)
References
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"thunderbird-140.8.0-1.oe2403sp2.aarch64.rpm",
"thunderbird-debuginfo-140.8.0-1.oe2403sp2.aarch64.rpm",
"thunderbird-debugsource-140.8.0-1.oe2403sp2.aarch64.rpm",
"thunderbird-librnp-rnp-140.8.0-1.oe2403sp2.aarch64.rpm",
"thunderbird-wayland-140.8.0-1.oe2403sp2.aarch64.rpm"
],
"src": [
"thunderbird-140.8.0-1.oe2403sp2.src.rpm"
],
"x86_64": [
"thunderbird-140.8.0-1.oe2403sp2.x86_64.rpm",
"thunderbird-debuginfo-140.8.0-1.oe2403sp2.x86_64.rpm",
"thunderbird-debugsource-140.8.0-1.oe2403sp2.x86_64.rpm",
"thunderbird-librnp-rnp-140.8.0-1.oe2403sp2.x86_64.rpm",
"thunderbird-wayland-140.8.0-1.oe2403sp2.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:24.03-LTS-SP2",
"name": "thunderbird",
"purl": "pkg:rpm/openEuler/thunderbird\u0026distro=openEuler-24.03-LTS-SP2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "140.8.0-1.oe2403sp2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "Critical"
},
"details": "Mozilla Thunderbird is a standalone mail and newsgroup client.\r\n\r\nSecurity Fix(es):\n\nWhen a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles from the outer messages were active. If the user had additionally allowed loading of the remote content referenced by the outer email message, and the email was crafted by the sender using a combination of CSS rules and fonts and animations, then it was possible to extract the secret contents of the email. This vulnerability affects Thunderbird \u0026lt; 147.0.1 and Thunderbird \u0026lt; 140.7.1.(CVE-2026-0818)\n\nHeap buffer overflow in libvpx. This vulnerability affects Firefox \u0026lt; 147.0.4, Firefox ESR \u0026lt; 140.7.1, Firefox ESR \u0026lt; 115.32.1, Thunderbird \u0026lt; 140.7.2, and Thunderbird \u0026lt; 147.0.2.(CVE-2026-2447)\n\nIncorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2757)\n\nUse-after-free in the JavaScript: GC component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2758)\n\nIncorrect boundary conditions in the Graphics: ImageLib component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2759)\n\nSandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2760)\n\nSandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2761)\n\nInteger overflow in the JavaScript: Standard Library component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2762)\n\nUse-after-free in the JavaScript Engine component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2763)\n\nJIT miscompilation, use-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2764)\n\nUse-after-free in the JavaScript Engine component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2765)\n\nUse-after-free in the JavaScript Engine: JIT component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2766)\n\nUse-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2767)\n\nSandbox escape in the Storage: IndexedDB component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2768)\n\nUse-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2769)\n\nUse-after-free in the DOM: Bindings (WebIDL) component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2770)\n\nUndefined behavior in the DOM: Core \u0026amp; HTML component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2771)\n\nUse-after-free in the Audio/Video: Playback component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2772)\n\nIncorrect boundary conditions in the Web Audio component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2773)\n\nInteger overflow in the Audio/Video component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2774)\n\nMitigation bypass in the DOM: HTML Parser component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2775)\n\nPrivilege escalation in the Messaging System component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2777)\n\nSandbox escape due to incorrect boundary conditions in the DOM: Core \u0026amp; HTML component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2778)\n\nIncorrect boundary conditions in the Networking: JAR component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2779)\n\nInteger overflow in the Libraries component in NSS. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2781)\n\nPrivilege escalation in the Netmonitor component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2782)\n\nInformation disclosure due to JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2783)\n\nMitigation bypass in the DOM: Security component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2784)\n\nInvalid pointer in the JavaScript Engine component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2785)\n\nUse-after-free in the JavaScript Engine component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2786)\n\nUse-after-free in the DOM: Window and Location component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2787)\n\nIncorrect boundary conditions in the Audio/Video: GMP component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2788)\n\nUse-after-free in the Graphics: ImageLib component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2789)\n\nSame-origin policy bypass in the Networking: JAR component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2790)\n\nMitigation bypass in the Networking: Cache component. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2791)\n\nMemory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2792)\n\nMemory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u0026lt; 148, Firefox ESR \u0026lt; 115.33, Firefox ESR \u0026lt; 140.8, Thunderbird \u0026lt; 148, and Thunderbird \u0026lt; 140.8.(CVE-2026-2793)",
"id": "OESA-2026-1539",
"modified": "2026-08-06T11:10:32Z",
"published": "2026-03-06T11:10:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1539"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0818"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2447"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2757"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2758"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2759"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2760"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2761"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2762"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2763"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2764"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2765"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2766"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2767"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2768"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2769"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2770"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2771"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2772"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2773"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2774"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2775"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2777"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2778"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2779"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2781"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2782"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2783"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2784"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2785"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2786"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2787"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2788"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2789"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2790"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2791"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2792"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2793"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "thunderbird security update",
"upstream": [
"CVE-2026-0818",
"CVE-2026-2447",
"CVE-2026-2757",
"CVE-2026-2758",
"CVE-2026-2759",
"CVE-2026-2760",
"CVE-2026-2761",
"CVE-2026-2762",
"CVE-2026-2763",
"CVE-2026-2764",
"CVE-2026-2765",
"CVE-2026-2766",
"CVE-2026-2767",
"CVE-2026-2768",
"CVE-2026-2769",
"CVE-2026-2770",
"CVE-2026-2771",
"CVE-2026-2772",
"CVE-2026-2773",
"CVE-2026-2774",
"CVE-2026-2775",
"CVE-2026-2777",
"CVE-2026-2778",
"CVE-2026-2779",
"CVE-2026-2781",
"CVE-2026-2782",
"CVE-2026-2783",
"CVE-2026-2784",
"CVE-2026-2785",
"CVE-2026-2786",
"CVE-2026-2787",
"CVE-2026-2788",
"CVE-2026-2789",
"CVE-2026-2790",
"CVE-2026-2791",
"CVE-2026-2792",
"CVE-2026-2793"
]
}
CVE-2026-2787 (GCVE-0-2026-2787)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-04-13 13:52
VLAI
EPSS
VEX
Title
Use-after-free in the DOM: Window and Location component
Summary
Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 20:02 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2014560 | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.33 , ≤ 115.*
(rpm)
Unaffected: 140.8 , ≤ 140.* (rpm) Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
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CVE-2026-2788 (GCVE-0-2026-2788)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-04-21 02:40
VLAI
EPSS
VEX
Title
Incorrect boundary conditions in the Audio/Video: GMP component
Summary
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-28 03:11 UTC
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2014824 | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.33 , ≤ 115.*
(rpm)
Unaffected: 140.8 , ≤ 140.* (rpm) Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
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CVE-2026-2789 (GCVE-0-2026-2789)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-04-13 13:53
VLAI
EPSS
VEX
Title
Use-after-free in the Graphics: ImageLib component
Summary
Use-after-free in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 20:15 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2015179 | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.33 , ≤ 115.*
(rpm)
Unaffected: 140.8 , ≤ 140.* (rpm) Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
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CVE-2026-2790 (GCVE-0-2026-2790)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-04-13 13:53
VLAI
EPSS
VEX
Title
Same-origin policy bypass in the Networking: JAR component
Summary
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 20:20 UTC
CWE
- CWE-346 - Origin Validation Error
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
Credits
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"dateReserved": "2026-02-19T15:06:33.357Z",
"dateUpdated": "2026-04-13T13:53:42.980Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
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CVE-2026-2791 (GCVE-0-2026-2791)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-04-21 02:40
VLAI
EPSS
VEX
Title
Mitigation bypass in the Networking: Cache component
Summary
Mitigation bypass in the Networking: Cache component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-28 03:10 UTC
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
{
"containers": {
"adp": [
{
"metrics": [
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"title": "CISA ADP Vulnrichment"
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"vendor": "Mozilla",
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"versionType": "rpm"
},
{
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"credits": [
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}
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2015220"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-15/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-16/"
},
{
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}
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CVE-2026-2792 (GCVE-0-2026-2792)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-07-15 01:12
VLAI
EPSS
VEX
Title
Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148
Summary
Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
9.8 (Critical)
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-25 04:55 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
33 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://access.redhat.com/security/cve/CVE-2026-2792 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2442318 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:3984 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3976 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4260 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3361 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3517 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3338 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3515 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3492 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4432 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3491 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3980 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3495 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3979 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3494 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4022 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3493 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3983 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4152 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3978 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3496 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3981 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3497 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3982 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3339 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3516 | vendor-advisoryx_refsource_REDHAT |
Impacted products
34 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:140.8.0-2.el10_1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:140.8.0-2.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:140.8.0-2.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:140.8.0-2.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:140.8.0-1.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:140.8.0-2.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:140.8.0-1.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:140.8.0-2.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
0:140.8.0-2.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:140.8.0-2.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:140.8.0-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
0:140.8.0-2.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
0:140.8.0-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:140.8.0-2.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:140.8.0-1.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:140.8.0-2.el9_7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:140.8.0-1.el9_7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:140.8.0-2.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:140.8.0-1.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:140.8.0-2.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:140.8.0-1.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
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"other": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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"product": "Red Hat Enterprise Linux 10",
"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 10",
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"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
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"status": "unaffected",
"version": "0:140.8.0-2.el8_4",
"versionType": "rpm"
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"product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
"vendor": "Red Hat",
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"cpes": [
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"value": "Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8."
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"name": "Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148",
"url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2008912%2C2010050%2C2010275%2C2012331"
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{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-13/"
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"url": "https://www.mozilla.org/security/advisories/mfsa2026-15/"
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{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-16/"
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"title": "Memory safety bugs fixed in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148"
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"datePublished": "2026-02-24T13:33:22.842Z",
"dateReserved": "2026-02-19T15:06:37.841Z",
"dateUpdated": "2026-07-15T01:12:28.331Z",
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CVE-2026-2793 (GCVE-0-2026-2793)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-07-15 01:12
VLAI
EPSS
VEX
Title
Memory safety bugs fixed in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148
Summary
Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Severity
9.8 (Critical)
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-25 04:55 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
34 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://access.redhat.com/security/cve/CVE-2026-2793 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2442287 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:3984 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3976 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4260 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3361 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3517 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3338 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3515 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3492 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4432 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3491 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3980 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3495 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3979 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3494 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4022 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3493 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3983 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:4152 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3978 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3496 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3981 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3497 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3982 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3339 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3516 | vendor-advisoryx_refsource_REDHAT |
Impacted products
34 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.33 , ≤ 115.*
(rpm)
Unaffected: 140.8 , ≤ 140.* (rpm) Unaffected: 148 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.8 , ≤ 140.*
(rpm)
Unaffected: 148 , ≤ * (rpm) |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:140.8.0-2.el10_1 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.1 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:140.8.0-2.el10_0 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 7 Extended Lifecycle Support |
Unaffected:
0:140.8.0-2.el7_9 , < *
(rpm)
cpe:/o:redhat:rhel_els:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:140.8.0-2.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:140.8.0-1.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:140.8.0-2.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
|
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support |
Unaffected:
0:140.8.0-1.el8_2 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.2 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support |
Unaffected:
0:140.8.0-2.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On |
Unaffected:
0:140.8.0-2.el8_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus_long_life:8.4 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:140.8.0-2.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support |
Unaffected:
0:140.8.0-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_aus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
0:140.8.0-2.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service |
Unaffected:
0:140.8.0-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el8_6 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.6 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:140.8.0-2.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service |
Unaffected:
0:140.8.0-1.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_tus:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el8_8 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:8.8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:140.8.0-2.el9_7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:140.8.0-1.el9_7 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.0 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-1.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:140.8.0-2.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:140.8.0-2.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support |
Unaffected:
0:140.8.0-1.el9_4 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:140.8.0-2.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:140.8.0-1.el9_6 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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