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VULNERABILITIES

CVE-2025-1931 Details

Description

It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html CVE
https://bugzilla.mozilla.org/show_bug.cgi?id=1944126 [email protected]Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2025-14/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-15/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-16/ [email protected]Vendor Advisory

see all 7 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-416Use After FreeCISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 115.21.0
< 136.0
>= 116.0, < 128.8.0

CPE

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

Remediation

  • No remediation found in references.
mozilla thunderbird
< 128.8.0
>= 129.0, < 136.0

CPE

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

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-1931
NVD Published Date:
Mar 4, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]