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CERTFR-2026-AVI-0480
Vulnerability from certfr_avis - Published: 2026-04-22 - Updated: 2026-04-22
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 140.10 | ||
| Mozilla | Firefox | Firefox versions antérieures à 150 | ||
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 115.35 | ||
| Mozilla | Thunderbird | Thunderbird versions antérieures à 150 | ||
| Mozilla | Thunderbird | Thunderbird versions antérieures à 140.10 |
References
| Title | Publication Time | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 140.10",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox versions ant\u00e9rieures \u00e0 150",
"product": {
"name": "Firefox",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 115.35",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 150",
"product": {
"name": "Thunderbird",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 140.10",
"product": {
"name": "Thunderbird",
"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-2026-6772",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6772"
},
{
"name": "CVE-2026-6747",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6747"
},
{
"name": "CVE-2026-6782",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6782"
},
{
"name": "CVE-2026-6786",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6786"
},
{
"name": "CVE-2026-6750",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6750"
},
{
"name": "CVE-2026-6757",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6757"
},
{
"name": "CVE-2026-6768",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6768"
},
{
"name": "CVE-2026-6746",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6746"
},
{
"name": "CVE-2026-6761",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6761"
},
{
"name": "CVE-2026-6762",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6762"
},
{
"name": "CVE-2026-6769",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6769"
},
{
"name": "CVE-2026-6751",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6751"
},
{
"name": "CVE-2026-6780",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6780"
},
{
"name": "CVE-2026-6765",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6765"
},
{
"name": "CVE-2026-2781",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-2781"
},
{
"name": "CVE-2026-6773",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6773"
},
{
"name": "CVE-2026-6754",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6754"
},
{
"name": "CVE-2026-6781",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6781"
},
{
"name": "CVE-2026-6756",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6756"
},
{
"name": "CVE-2026-6758",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6758"
},
{
"name": "CVE-2026-6785",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6785"
},
{
"name": "CVE-2026-6783",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6783"
},
{
"name": "CVE-2026-6760",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6760"
},
{
"name": "CVE-2026-6759",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6759"
},
{
"name": "CVE-2026-6774",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6774"
},
{
"name": "CVE-2026-6779",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6779"
},
{
"name": "CVE-2026-6777",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6777"
},
{
"name": "CVE-2026-6748",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6748"
},
{
"name": "CVE-2026-6778",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6778"
},
{
"name": "CVE-2026-6752",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6752"
},
{
"name": "CVE-2026-6767",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6767"
},
{
"name": "CVE-2026-6775",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6775"
},
{
"name": "CVE-2026-6749",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6749"
},
{
"name": "CVE-2026-6771",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6771"
},
{
"name": "CVE-2026-6753",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6753"
},
{
"name": "CVE-2026-6764",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6764"
},
{
"name": "CVE-2026-6763",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6763"
},
{
"name": "CVE-2026-6776",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6776"
},
{
"name": "CVE-2026-6766",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6766"
},
{
"name": "CVE-2026-6770",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6770"
},
{
"name": "CVE-2026-6784",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6784"
},
{
"name": "CVE-2026-6755",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-6755"
}
],
"initial_release_date": "2026-04-22T00:00:00",
"last_revision_date": "2026-04-22T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0480",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-22T00:00:00.000000"
}
],
"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": "2026-04-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-32",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-32/"
},
{
"published_at": "2026-04-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-34",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-34/"
},
{
"published_at": "2026-04-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-33",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-33/"
},
{
"published_at": "2026-04-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-31",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-31/"
},
{
"published_at": "2026-04-21",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-30",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-30/"
}
]
}
CVE-2026-6775 (GCVE-0-2026-6775)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 16:54
VLAI
EPSS
Title
Incorrect boundary conditions in the WebRTC component
Summary
Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
5.3 (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:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
Nan Wang
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"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:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-6775",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-27T16:54:54.554636Z",
"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": "2026-05-27T16:54:59.993Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "150",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "150",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Nan Wang"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150."
}
],
"value": "Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150."
}
],
"providerMetadata": {
"dateUpdated": "2026-04-21T23:35:10.592Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2021768"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-30/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-33/"
}
],
"title": "Incorrect boundary conditions in the WebRTC component"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-6775",
"datePublished": "2026-04-21T12:41:06.920Z",
"dateReserved": "2026-04-21T12:41:06.557Z",
"dateUpdated": "2026-05-27T16:54:59.993Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-6776 (GCVE-0-2026-6776)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 16:56
VLAI
EPSS
Title
Incorrect boundary conditions in the WebRTC: Networking component
Summary
Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
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:
140.10 , ≤ 140.*
(rpm)
Unaffected: 150 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.10 , ≤ 140.*
(rpm)
Unaffected: 150 , ≤ * (rpm) |
Credits
Nan Wang
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-6776",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-21T13:49:53.035013Z",
"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": "2026-05-27T16:56:48.340Z",
"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": "140.10",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "150",
"versionType": "rpm"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThanOrEqual": "140.*",
"status": "unaffected",
"version": "140.10",
"versionType": "rpm"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "150",
"versionType": "rpm"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Nan Wang"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10."
}
],
"value": "Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10."
}
],
"providerMetadata": {
"dateUpdated": "2026-04-21T23:35:11.711Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2021770"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-30/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-32/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-33/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-34/"
}
],
"title": "Incorrect boundary conditions in the WebRTC: Networking component"
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2026-6776",
"datePublished": "2026-04-21T12:41:07.745Z",
"dateReserved": "2026-04-21T12:41:07.296Z",
"dateUpdated": "2026-05-27T16:56:48.340Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-6777 (GCVE-0-2026-6777)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 17:02
VLAI
EPSS
Title
Other issue in the Networking: DNS component
Summary
Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
5.3 (Medium)
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:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
b00rito
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-6777",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-21T17:19:10.760556Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-400",
"description": "CWE-400 Uncontrolled Resource Consumption",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-352",
"description": "CWE-352 Cross-Site Request Forgery (CSRF)",
"lang": "en",
"type": "CWE"
}
]
}
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CVE-2026-6778 (GCVE-0-2026-6778)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 17:04
VLAI
EPSS
Title
Invalid pointer in the Audio/Video: Playback component
Summary
Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
chanhokim
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CVE-2026-6779 (GCVE-0-2026-6779)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-26 18:49
VLAI
EPSS
Title
Other issue in the JavaScript Engine component
Summary
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
5.3 (Medium)
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:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
Gary Kwong
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CVE-2026-6780 (GCVE-0-2026-6780)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-26 17:53
VLAI
EPSS
Title
Denial-of-service in the Audio/Video: Playback component
Summary
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
LatticeBased
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CVE-2026-6781 (GCVE-0-2026-6781)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 16:58
VLAI
EPSS
Title
Denial-of-service in the Audio/Video: Playback component
Summary
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
LatticeBased
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CVE-2026-6782 (GCVE-0-2026-6782)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 17:03
VLAI
EPSS
Title
Information disclosure in the IP Protection component
Summary
Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
Yuki Umemura
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CVE-2026-6783 (GCVE-0-2026-6783)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-05-27 17:11
VLAI
EPSS
Title
Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component
Summary
Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
Credits
crixer
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CVE-2026-6784 (GCVE-0-2026-6784)
Vulnerability from cvelistv5 – Published: 2026-04-21 12:41 – Updated: 2026-06-30 03:18
VLAI
EPSS
Title
Memory safety bugs fixed in Firefox 150 and Thunderbird 150
Summary
Memory safety bugs present in Firefox 149 and Thunderbird 149. 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 150 and Thunderbird 150.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://access.redhat.com/security/cve/CVE-2026-6784 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2460084 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
150 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
150 , ≤ *
(rpm)
|
|
| 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 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
Credits
Ben Visness, Brian Grinstead, Christian Holler, Dimi Lee, Jens Stutte, Jim Mathies, John Schanck, Jon Coppeard, Karl Tomlinson, Maurice Dauer, Nika Layzell, Randell Jesup, Tom Schuster and the Mozilla Fuzzing Team
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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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