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CERTFR-2026-AVI-0910
Vulnerability from certfr_avis - Published: 2026-07-22 - Updated: 2026-07-22
De multiples vulnérabilités ont été découvertes dans les produits Mozilla. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 115.38 | ||
| Mozilla | Firefox | Firefox versions antérieures à 153 | ||
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 140.13 |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 115.38",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox versions ant\u00e9rieures \u00e0 153",
"product": {
"name": "Firefox",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 140.13",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-16354",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16354"
},
{
"name": "CVE-2026-16359",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16359"
},
{
"name": "CVE-2026-15719",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15719"
},
{
"name": "CVE-2026-16409",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16409"
},
{
"name": "CVE-2026-16404",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16404"
},
{
"name": "CVE-2026-16373",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16373"
},
{
"name": "CVE-2026-16386",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16386"
},
{
"name": "CVE-2026-16377",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16377"
},
{
"name": "CVE-2026-16357",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16357"
},
{
"name": "CVE-2026-16387",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16387"
},
{
"name": "CVE-2026-16352",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16352"
},
{
"name": "CVE-2026-16406",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16406"
},
{
"name": "CVE-2026-16363",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16363"
},
{
"name": "CVE-2026-16383",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16383"
},
{
"name": "CVE-2026-16393",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16393"
},
{
"name": "CVE-2026-16401",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16401"
},
{
"name": "CVE-2026-16378",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16378"
},
{
"name": "CVE-2026-16350",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16350"
},
{
"name": "CVE-2026-16369",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16369"
},
{
"name": "CVE-2026-16388",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16388"
},
{
"name": "CVE-2026-16402",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16402"
},
{
"name": "CVE-2026-16370",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16370"
},
{
"name": "CVE-2026-16362",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16362"
},
{
"name": "CVE-2026-16405",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16405"
},
{
"name": "CVE-2026-16407",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16407"
},
{
"name": "CVE-2026-16391",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16391"
},
{
"name": "CVE-2026-16364",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16364"
},
{
"name": "CVE-2026-16384",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16384"
},
{
"name": "CVE-2026-16400",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16400"
},
{
"name": "CVE-2026-16361",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16361"
},
{
"name": "CVE-2026-16396",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16396"
},
{
"name": "CVE-2026-16381",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16381"
},
{
"name": "CVE-2026-16394",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16394"
},
{
"name": "CVE-2026-16365",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16365"
},
{
"name": "CVE-2026-16376",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16376"
},
{
"name": "CVE-2026-16351",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16351"
},
{
"name": "CVE-2026-16371",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16371"
},
{
"name": "CVE-2026-16412",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16412"
},
{
"name": "CVE-2026-16398",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16398"
},
{
"name": "CVE-2026-16367",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16367"
},
{
"name": "CVE-2026-16389",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16389"
},
{
"name": "CVE-2026-16399",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16399"
},
{
"name": "CVE-2026-16375",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16375"
},
{
"name": "CVE-2026-16408",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16408"
},
{
"name": "CVE-2026-15718",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15718"
},
{
"name": "CVE-2026-16385",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16385"
},
{
"name": "CVE-2026-16382",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16382"
},
{
"name": "CVE-2026-16410",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16410"
},
{
"name": "CVE-2026-16374",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16374"
},
{
"name": "CVE-2026-16379",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16379"
},
{
"name": "CVE-2026-16353",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16353"
},
{
"name": "CVE-2026-16397",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16397"
},
{
"name": "CVE-2026-16380",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16380"
},
{
"name": "CVE-2026-16349",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16349"
},
{
"name": "CVE-2026-16366",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16366"
},
{
"name": "CVE-2026-16390",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16390"
},
{
"name": "CVE-2026-16356",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16356"
},
{
"name": "CVE-2026-16358",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16358"
},
{
"name": "CVE-2026-16403",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16403"
},
{
"name": "CVE-2026-16360",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16360"
},
{
"name": "CVE-2026-16355",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16355"
},
{
"name": "CVE-2026-16392",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16392"
},
{
"name": "CVE-2026-16368",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16368"
},
{
"name": "CVE-2026-16372",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16372"
},
{
"name": "CVE-2026-16395",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16395"
},
{
"name": "CVE-2026-16411",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-16411"
}
],
"initial_release_date": "2026-07-22T00:00:00",
"last_revision_date": "2026-07-22T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0910",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-07-22T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Mozilla. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de service \u00e0 distance.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Mozilla",
"vendor_advisories": [
{
"published_at": "2026-07-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-70",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-70/"
},
{
"published_at": "2026-07-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-69",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-69/"
},
{
"published_at": "2026-07-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-68",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-68/"
}
]
}
CVE-2026-16357 (GCVE-0-2026-16357)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-22 19:18
VLAI
EPSS
VEX
Title
Incorrect boundary conditions in the Graphics component
Summary
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.38 , ≤ 115.*
(rpm)
Unaffected: 140.13 , ≤ 140.* (rpm) Unaffected: 153 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
Credits
5up3rh3i
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-16357",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-22T15:40:12.443582Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-22T15:44:48.103Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "115.*",
"status": "unaffected",
"version": "115.38",
"versionType": "rpm"
},
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.13",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "153",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.13",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "153",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "5up3rh3i"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."
}
],
"value": "Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."
}
],
"providerMetadata": {
"dateUpdated": "2026-07-22T19:18:31.600Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2053326"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-68/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-69/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-70/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-71/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-72/"
}
],
"title": "Incorrect boundary conditions in the Graphics component"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-16357",
"datePublished": "2026-07-21T12:37:45.425Z",
"dateReserved": "2026-07-20T21:56:03.705Z",
"dateUpdated": "2026-07-22T19:18:31.600Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-16358 (GCVE-0-2026-16358)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-22 19:18
VLAI
EPSS
VEX
Title
Site isolation issue in the Graphics: WebRender component
Summary
Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-346 - Origin Validation Error
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.38 , ≤ 115.*
(rpm)
Unaffected: 140.13 , ≤ 140.* (rpm) Unaffected: 153 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
Credits
Hcamael
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-16358",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-22T17:09:07.744606Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-346",
"description": "CWE-346 Origin Validation Error",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-22T17:29:50.162Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "115.*",
"status": "unaffected",
"version": "115.38",
"versionType": "rpm"
},
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.13",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "153",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.13",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "153",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Hcamael"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."
}
],
"value": "Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."
}
],
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CVE-2026-16359 (GCVE-0-2026-16359)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:38 – Updated: 2026-07-22 19:18
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 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.38 , ≤ 115.*
(rpm)
Unaffected: 140.13 , ≤ 140.* (rpm) Unaffected: 153 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
Credits
Jacolon Walker
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CVE-2026-16360 (GCVE-0-2026-16360)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:38 – Updated: 2026-07-24 03:55
VLAI
EPSS
VEX
Title
Memory safety bugs fixed in Firefox ESR 115.38, Firefox ESR 140.13 and Firefox 153
Summary
Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. 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 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
7 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.38 , ≤ 115.*
(rpm)
Unaffected: 140.13 , ≤ 140.* (rpm) Unaffected: 153 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
Credits
Andrew McCreight, Jan de Mooij, Tom Ritter, Vincent Hilla and the Mozilla Fuzzing Team
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CVE-2026-16361 (GCVE-0-2026-16361)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:38 – Updated: 2026-07-24 03:55
VLAI
EPSS
VEX
Title
Memory safety bugs fixed in Thunderbird ESR 140.13
Summary
Memory safety bugs present in Thunderbird ESR 140.12. 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 ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
115.38 , ≤ 115.*
(rpm)
Unaffected: 140.13 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ *
(rpm)
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Credits
The Mozilla Fuzzing Team
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CVE-2026-16362 (GCVE-0-2026-16362)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-22 19:18
VLAI
EPSS
VEX
Title
Use-after-free in the WebRTC: Audio/Video component
Summary
Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
Credits
crixer
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CVE-2026-16363 (GCVE-0-2026-16363)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-22 19:18
VLAI
EPSS
VEX
Title
JIT miscompilation in the JavaScript: WebAssembly component
Summary
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.13 , ≤ 140.*
(rpm)
Unaffected: 153 , ≤ * (rpm) |
Credits
Nebula Security
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CVE-2026-16364 (GCVE-0-2026-16364)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-23 14:55
VLAI
EPSS
VEX
Title
Incorrect boundary conditions in the Audio/Video: Playback component
Summary
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
153 , ≤ *
(rpm)
|
Credits
Steven Julian
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CVE-2026-16365 (GCVE-0-2026-16365)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-24 20:16
VLAI
EPSS
VEX
Title
Privilege escalation in the DOM: Workers component
Summary
Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
153 , ≤ *
(rpm)
|
Credits
Khanh Nguyen
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CVE-2026-16366 (GCVE-0-2026-16366)
Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-07-24 20:16
VLAI
EPSS
VEX
Title
Privilege escalation in the DOM: Navigation component
Summary
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
153 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
153 , ≤ *
(rpm)
|
Credits
Khanh Nguyen
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
Loading…
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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