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CVE-2025-1931

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/4/2025

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefoxmozilla:thunderbird

Weaknesses (CWE)

CWE-416

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1944126(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-14/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-15/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-16/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-17/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-18/(security@mozilla.org)

https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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