CVEvulnerability

CVE-2023-5171

6.5 MEDIUM Published 2023-09-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-09-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-416

Description

During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

Affected configurations

• mozilla firefox (< 118) • mozilla firefox esr (< 115.3) • mozilla thunderbird (< 115.3) • debian debian linux 10.0 • debian debian linux 11.0 • debian debian linux 12.0 • fedoraproject fedora 39

Related

Weakness · CWE (1)

References