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CERTFR-2026-AVI-0038
Vulnerability from certfr_avis - Published: 2026-01-14 - Updated: 2026-01-15
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, un déni de service à distance et une atteinte à la confidentialité des données.
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 115.32 | ||
| Mozilla | Firefox ESR | Firefox ESR versions antérieures à 140.7 | ||
| Mozilla | Firefox | Firefox versions antérieures à 147 | ||
| Mozilla | Thunderbird | Thunderbird versions antérieures à 147 |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 115.32",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox ESR versions ant\u00e9rieures \u00e0 140.7",
"product": {
"name": "Firefox ESR",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Firefox versions ant\u00e9rieures \u00e0 147",
"product": {
"name": "Firefox",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Thunderbird versions ant\u00e9rieures \u00e0 147",
"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-2026-0885",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0885"
},
{
"name": "CVE-2026-0887",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0887"
},
{
"name": "CVE-2025-14327",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-14327"
},
{
"name": "CVE-2026-0879",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0879"
},
{
"name": "CVE-2026-0892",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0892"
},
{
"name": "CVE-2026-0877",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0877"
},
{
"name": "CVE-2026-0878",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0878"
},
{
"name": "CVE-2026-0883",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0883"
},
{
"name": "CVE-2026-0880",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0880"
},
{
"name": "CVE-2026-0881",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0881"
},
{
"name": "CVE-2026-0882",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0882"
},
{
"name": "CVE-2026-0884",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0884"
},
{
"name": "CVE-2026-0889",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0889"
},
{
"name": "CVE-2026-0888",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0888"
},
{
"name": "CVE-2026-0886",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0886"
},
{
"name": "CVE-2026-0890",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0890"
},
{
"name": "CVE-2026-0891",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-0891"
}
],
"initial_release_date": "2026-01-14T00:00:00",
"last_revision_date": "2026-01-15T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0038",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-01-14T00:00:00.000000"
},
{
"description": "Modification d\u0027un syst\u00e8me afffect\u00e9",
"revision_date": "2026-01-15T00:00:00.000000"
}
],
"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"
}
],
"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, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Mozilla",
"vendor_advisories": [
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-03",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-03/"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-02",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-02/"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2026-01",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2026-01/"
}
]
}
CVE-2025-14327 (GCVE-0-2025-14327)
Vulnerability from cvelistv5 – Published: 2025-12-09 13:38 – Updated: 2026-04-13 14:24
VLAI
EPSS
Title
Spoofing issue in the Downloads Panel component
Summary
Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.7 , ≤ 140.*
(rpm)
Unaffected: 146 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.7 , ≤ 140.*
(rpm)
Unaffected: 146 , ≤ * (rpm) |
Credits
Caro Kann
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"vendor": "Mozilla",
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{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1970743"
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{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-92/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2025-95/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2026-03/"
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CVE-2026-0877 (GCVE-0-2026-0877)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-06-30 03:16
VLAI
EPSS
Title
Mitigation bypass in the DOM: Security component
Summary
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
8.1 (High)
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
32 references
Impacted products
22 products
Credits
Mingi Jung (정민기입니다)
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"title": "CISA ADP Vulnrichment"
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{
"affected": [
{
"cpes": [
"cpe:/o:redhat:rhel_els:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux Server (v. 7 ELS)",
"vendor": "Red Hat"
},
{
"cpes": [
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],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
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],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 8)",
"vendor": "Red Hat"
},
{
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"cpe:/a:redhat:rhel_aus:8.2::appstream"
],
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"product": "Red Hat Enterprise Linux AppStream AUS (v. 8.2)",
"vendor": "Red Hat"
},
{
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"cpe:/a:redhat:rhel_aus:8.4::appstream"
],
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"vendor": "Red Hat"
},
{
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],
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"product": "Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)",
"vendor": "Red Hat"
},
{
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],
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"vendor": "Red Hat"
},
{
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],
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"product": "Red Hat Enterprise Linux AppStream E4S (v.8.6)",
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},
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},
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},
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},
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CVE-2026-0878 (GCVE-0-2026-0878)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-06-30 12:06
VLAI
EPSS
Title
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Summary
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
31 references
Impacted products
22 products
Credits
Oskar L
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CVE-2026-0879 (GCVE-0-2026-0879)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-06-30 12:07
VLAI
EPSS
Title
Sandbox escape due to incorrect boundary conditions in the Graphics component
Summary
Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
9.8 (Critical)
7.5 (High)
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
32 references
Impacted products
22 products
Credits
Oskar L
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CVE-2026-0880 (GCVE-0-2026-0880)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-06-30 12:06
VLAI
EPSS
Title
Sandbox escape due to integer overflow in the Graphics component
Summary
Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
8.8 (High)
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
32 references
Impacted products
22 products
Credits
Oskar L
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CVE-2026-0881 (GCVE-0-2026-0881)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-06-30 12:06
VLAI
EPSS
Title
Sandbox escape in the Messaging System component
Summary
Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.
Severity
10 (Critical)
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2005845 | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://www.mozilla.org/security/advisories/mfsa2… | |
| https://access.redhat.com/security/cve/CVE-2026-0881 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2428970 | 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:
147 , ≤ *
(rpm)
|
|
| Mozilla | Thunderbird |
Unaffected:
147 , ≤ *
(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
Andrew McCreight
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CVE-2026-0882 (GCVE-0-2026-0882)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-06-30 12:06
VLAI
EPSS
Title
Use-after-free in the IPC component
Summary
Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
8.8 (High)
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
32 references
Impacted products
22 products
Credits
Randell Jesup
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CVE-2026-0883 (GCVE-0-2026-0883)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51
VLAI
EPSS
Title
Information disclosure in the Networking component
Summary
Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
5.3 (Medium)
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:
140.7 , ≤ 140.*
(rpm)
Unaffected: 147 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.7 , ≤ 140.*
(rpm)
Unaffected: 147 , ≤ * (rpm) |
Credits
Vladislav Plyatsok
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CVE-2026-0884 (GCVE-0-2026-0884)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51
VLAI
EPSS
Title
Use-after-free in the JavaScript Engine component
Summary
Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
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:
140.7 , ≤ 140.*
(rpm)
Unaffected: 147 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.7 , ≤ 140.*
(rpm)
Unaffected: 147 , ≤ * (rpm) |
Credits
Gary Kwong and Nan Wang
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CVE-2026-0885 (GCVE-0-2026-0885)
Vulnerability from cvelistv5 – Published: 2026-01-13 13:30 – Updated: 2026-04-13 13:51
VLAI
EPSS
Title
Use-after-free in the JavaScript: GC component
Summary
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Mozilla | Firefox |
Unaffected:
140.7 , ≤ 140.*
(rpm)
Unaffected: 147 , ≤ * (rpm) |
|
| Mozilla | Thunderbird |
Unaffected:
140.7 , ≤ 140.*
(rpm)
Unaffected: 147 , ≤ * (rpm) |
Credits
Irvan Kurniawan
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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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