CVEvulnerability

CVE-2023-5173

7.5 HIGH 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])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses
CWE-190

Description

In a non-standard configuration of Firefox, an integer overflow could have occurred based on network traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to privileged process memory. *This bug only affects Firefox if a non-standard preference allowing non-HTTPS Alternate Services (`network.http.altsvc.oe`) is enabled.* This vulnerability affects Firefox < 118.

Affected configurations

• mozilla firefox (< 118)

Related

Weakness · CWE (1)

  • CWE-190 Integer Overflow or Wraparound weakness

References