ALSA-2026:84583
Vulnerability from osv_almalinux – Published: 2026-10-19 00:00 – Updated: 2026-10-19 11:43 – Source websiteWebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.
Security Fix(es):
- chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read (CVE-2026-87596)
- chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via crafted HTML page (CVE-2026-87500)
- chromium-browser: angle: Chromium: Arbitrary code execution via buffer overflow in ANGLE (CVE-2026-87654)
- chromium-browser: angle: Google Chrome (ANGLE): Arbitrary Code Execution vulnerability (CVE-2026-87621)
- chromium-browser: angle: Chromium-browser: Arbitrary code execution via use-after-free vulnerability in ANGLE (CVE-2026-87512)
- chromium-browser: angle: ANGLE: Arbitrary code execution in Google Chrome due to use-after-free (CVE-2026-87648)
- chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87602)
- chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87586)
- chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via out-of-bounds read (CVE-2026-87604)
- chromium-browser: angle: chromium-browser: Improper input validation in ANGLE (CVE-2026-91738)
- chromium-browser: angle: chromium-browser: Uninitialized resource in ANGLE (CVE-2026-91720)
Bug Fix(es) and Enhancement(s):
- webkit2gtk3 2.54.0 regression breaks Eclipse IDE WebKit-based views on CentOS Stream 9 [almalinux-9.8.z] (JIRA:AlmaLinux-274394)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
{
"affected": [
{
"package": {
"ecosystem": "AlmaLinux:9",
"name": "webkit2gtk3"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.54.1-1.el9_8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:9",
"name": "webkit2gtk3-devel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.54.1-1.el9_8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:9",
"name": "webkit2gtk3-jsc"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.54.1-1.el9_8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:9",
"name": "webkit2gtk3-jsc-devel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.54.1-1.el9_8"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"details": "WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. \n\nSecurity Fix(es): \n\n * chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via out-of-bounds read (CVE-2026-87596)\n * chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via crafted HTML page (CVE-2026-87500)\n * chromium-browser: angle: Chromium: Arbitrary code execution via buffer overflow in ANGLE (CVE-2026-87654)\n * chromium-browser: angle: Google Chrome (ANGLE): Arbitrary Code Execution vulnerability (CVE-2026-87621)\n * chromium-browser: angle: Chromium-browser: Arbitrary code execution via use-after-free vulnerability in ANGLE (CVE-2026-87512)\n * chromium-browser: angle: ANGLE: Arbitrary code execution in Google Chrome due to use-after-free (CVE-2026-87648)\n * chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87602)\n * chromium-browser: angle: ANGLE in Google Chrome: Information disclosure via crafted HTML page (CVE-2026-87586)\n * chromium-browser: angle: ANGLE in Google Chrome: Arbitrary code execution via out-of-bounds read (CVE-2026-87604)\n * chromium-browser: angle: chromium-browser: Improper input validation in ANGLE (CVE-2026-91738)\n * chromium-browser: angle: chromium-browser: Uninitialized resource in ANGLE (CVE-2026-91720)\n\n\nBug Fix(es) and Enhancement(s): \n\n * webkit2gtk3 2.54.0 regression breaks Eclipse IDE WebKit-based views on CentOS Stream 9 [almalinux-9.8.z] (JIRA:AlmaLinux-274394)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2026:84583",
"modified": "2026-10-19T11:43:23Z",
"published": "2026-10-19T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:84583"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87500"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87512"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87586"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87596"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87602"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87604"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87621"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87648"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-87654"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-91720"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-91738"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530272"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530296"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530305"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530333"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530389"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530396"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530447"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530458"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2530475"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2534404"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2534673"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/9/ALSA-2026-84583.html"
}
],
"related": [
"CVE-2026-87596",
"CVE-2026-87500",
"CVE-2026-87654",
"CVE-2026-87621",
"CVE-2026-87512",
"CVE-2026-87648",
"CVE-2026-87602",
"CVE-2026-87586",
"CVE-2026-87604",
"CVE-2026-91738",
"CVE-2026-91720"
],
"summary": "Critical: webkit2gtk3 security, bug fix, and enhancement update"
}
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