CVE-2025-1931

HighCVSS 7.5/10Last modified Oct 5, 2026

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 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 4, 2025
Last modified
Oct 5, 2026
NVD status
Modified

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CVE-2025-1931: High severity, CVSS 7.5 | Vulnix