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VULNERABILITIES

CVE-2026-92031 Details

Description

Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2067971 [email protected]Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-90/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-92/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-93/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-94/ [email protected]Vendor Advisory

see all 7 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-200Exposure of Sensitive Information to an Unauthorized ActorCISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 140.16.0
>= 141.0, < 153.3.0
>= 154.0.0, < 156.0.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
mozilla thunderbird
< 140.16.0
>= 141.0, < 153.3.0
>= 154.0, < 156.0

CPE

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-92031
NVD Published Date:
Sep 15, 2026
NVD Last Modified:
Oct 6, 2026
Source:
[email protected]
CVE-2026-92031 Details - Not Deferred