CVE-2025-1931 — Use After Free in Mozilla Firefox
Severity
7.5HIGHNVD
EPSS
0.3%
top 44.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 4
Latest updateJul 22
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages3 packages
🔴Vulnerability Details
4OSV▶
CVE-2025-1931: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash↗2025-03-04
GHSA▶
GHSA-qwhp-hhhx-5xg8: It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash↗2025-03-04
📋Vendor Advisories
9Debian▶
CVE-2025-1931: firefox - It was possible to cause a use-after-free in the content process side of a WebTr...↗2025