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CERTFR-2026-AVI-0764
Vulnerability from certfr_avis - Published: 2026-06-17 - Updated: 2026-06-17
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 | N/A | Firefox ESR versions antérieures à 140.12 | ||
| Mozilla | N/A | Thunderbird ESR versions antérieures à 140.12 | ||
| Mozilla | N/A | Firefox for iOS versions antérieures à 152.0 | ||
| Mozilla | N/A | Firefox versions antérieures à 152 | ||
| Mozilla | N/A | Thunderbird versions antérieures à 152 | ||
| Mozilla | N/A | Firefox ESR versions antérieures à 115.37 |
References
| Title | Publication Time | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 140.12",
"product": {
"name": "N/A",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird ESR versions ant\u00e9rieures \u00e0 140.12",
"product": {
"name": "N/A",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox for iOS versions ant\u00e9rieures \u00e0 152.0",
"product": {
"name": "N/A",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox versions ant\u00e9rieures \u00e0 152",
"product": {
"name": "N/A",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 152",
"product": {
"name": "N/A",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 115.37",
"product": {
"name": "N/A",
"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-2026-12324",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12324"
},
{
"name": "CVE-2026-12318",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12318"
},
{
"name": "CVE-2026-53899",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53899"
},
{
"name": "CVE-2026-12299",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12299"
},
{
"name": "CVE-2026-12300",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12300"
},
{
"name": "CVE-2026-12297",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12297"
},
{
"name": "CVE-2026-12308",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12308"
},
{
"name": "CVE-2026-12322",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12322"
},
{
"name": "CVE-2026-12320",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12320"
},
{
"name": "CVE-2026-12304",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12304"
},
{
"name": "CVE-2026-12315",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12315"
},
{
"name": "CVE-2026-12314",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12314"
},
{
"name": "CVE-2026-12301",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12301"
},
{
"name": "CVE-2026-12328",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12328"
},
{
"name": "CVE-2026-12326",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12326"
},
{
"name": "CVE-2026-12305",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12305"
},
{
"name": "CVE-2026-12289",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12289"
},
{
"name": "CVE-2026-12309",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12309"
},
{
"name": "CVE-2026-12321",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12321"
},
{
"name": "CVE-2026-12323",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12323"
},
{
"name": "CVE-2026-12290",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12290"
},
{
"name": "CVE-2026-12295",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12295"
},
{
"name": "CVE-2026-12330",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12330"
},
{
"name": "CVE-2026-12312",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12312"
},
{
"name": "CVE-2026-12306",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12306"
},
{
"name": "CVE-2026-12310",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12310"
},
{
"name": "CVE-2026-12303",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12303"
},
{
"name": "CVE-2026-12311",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12311"
},
{
"name": "CVE-2026-12293",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12293"
},
{
"name": "CVE-2026-12296",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12296"
},
{
"name": "CVE-2026-12329",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12329"
},
{
"name": "CVE-2026-12327",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12327"
},
{
"name": "CVE-2026-12294",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12294"
},
{
"name": "CVE-2026-12313",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12313"
},
{
"name": "CVE-2026-12298",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12298"
},
{
"name": "CVE-2026-12316",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12316"
},
{
"name": "CVE-2026-12291",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12291"
},
{
"name": "CVE-2026-53900",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-53900"
},
{
"name": "CVE-2026-12325",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12325"
},
{
"name": "CVE-2026-12307",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12307"
},
{
"name": "CVE-2026-12302",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12302"
},
{
"name": "CVE-2026-12319",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12319"
},
{
"name": "CVE-2026-12317",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12317"
},
{
"name": "CVE-2026-12292",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-12292"
}
],
"initial_release_date": "2026-06-17T00:00:00",
"last_revision_date": "2026-06-17T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0764",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-06-17T00:00:00.000000"
}
],
"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": "2026-06-16",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-56",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-56/"
},
{
"published_at": "2026-06-16",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-60",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-60/"
},
{
"published_at": "2026-06-16",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-61",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-61/"
},
{
"published_at": "2026-06-16",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-59",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-59/"
},
{
"published_at": "2026-06-16",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-58",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-58/"
},
{
"published_at": "2026-06-16",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-57",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-57/"
}
]
}
CVE-2026-12309 (GCVE-0-2026-12309)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-18 18:00
VLAI
EPSS
Title
Memory safety bug fixed in Firefox 152
Summary
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
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:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
Yaqoub Aldurayhim
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-12309",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-16T17:39:57.781816Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
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"cweId": "CWE-119",
"description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-16T17:40:36.429Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.12",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "152",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.12",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "152",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Yaqoub Aldurayhim"
}
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"descriptions": [
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"lang": "en",
"supportingMedia": [
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"base64": false,
"type": "text/html",
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}
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"value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12."
}
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"providerMetadata": {
"dateUpdated": "2026-06-18T18:00:51.161Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2038476"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-57/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-58/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-60/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-61/"
}
],
"title": "Memory safety bug fixed in Firefox 152"
}
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"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-12309",
"datePublished": "2026-06-16T11:52:42.737Z",
"dateReserved": "2026-06-15T15:08:14.300Z",
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"state": "PUBLISHED"
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"dataVersion": "5.2"
}
CVE-2026-12310 (GCVE-0-2026-12310)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-18 18:00
VLAI
EPSS
Title
Memory safety bug fixed in Firefox 152
Summary
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
Carl Pearson
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-12310",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-16T18:16:11.822831Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
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"descriptions": [
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"cweId": "CWE-119",
"description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787 Out-of-bounds Write",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-16T18:16:51.395Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.12",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "152",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.12",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "152",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Carl Pearson"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12."
}
],
"value": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12."
}
],
"providerMetadata": {
"dateUpdated": "2026-06-18T18:00:51.655Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2039707"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-57/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-58/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-60/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-61/"
}
],
"title": "Memory safety bug fixed in Firefox 152"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-12310",
"datePublished": "2026-06-16T11:52:43.757Z",
"dateReserved": "2026-06-15T15:08:14.693Z",
"dateUpdated": "2026-06-18T18:00:51.655Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-12311 (GCVE-0-2026-12311)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 16:08
VLAI
EPSS
Title
Information disclosure, sandbox escape in the Security: Process Sandboxing component
Summary
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
Yaqoub Aldurayhim
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CVE-2026-12312 (GCVE-0-2026-12312)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-18 18:00
VLAI
EPSS
Title
Memory safety bug fixed in Firefox 152
Summary
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
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:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
Rintaro Kawasugi
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CVE-2026-12313 (GCVE-0-2026-12313)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 16:08
VLAI
EPSS
Title
Information disclosure, sandbox escape in the Security: Process Sandboxing component
Summary
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
4.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
evyatar
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CVE-2026-12314 (GCVE-0-2026-12314)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-18 18:00
VLAI
EPSS
Title
Memory safety bug fixed in Firefox 152
Summary
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
satyamasd
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CVE-2026-12315 (GCVE-0-2026-12315)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 18:26
VLAI
EPSS
Title
Mitigation bypass in the DOM: Security component
Summary
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.12 , ≤ 140.*
(rpm)
Unaffected: 152 , ≤ * (rpm) |
Credits
Nguyen Minh
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CVE-2026-12316 (GCVE-0-2026-12316)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 18:24
VLAI
EPSS
Title
Mitigation bypass in the DOM: Security component
Summary
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
152 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
152 , ≤ *
(rpm)
|
Credits
Frederik Braun
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CVE-2026-12317 (GCVE-0-2026-12317)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-18 18:00
VLAI
EPSS
Title
Memory safety bug fixed in Firefox 152
Summary
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
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:
152 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
152 , ≤ *
(rpm)
|
Credits
Frédéric Wang Nélar
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CVE-2026-12318 (GCVE-0-2026-12318)
Vulnerability from cvelistv5 – Published: 2026-06-16 11:52 – Updated: 2026-06-16 18:07
VLAI
EPSS
Title
Incorrect boundary conditions in the Libraries component in NSS
Summary
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
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:
152 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
152 , ≤ *
(rpm)
|
Credits
Haruto Kimura
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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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