CVE-2023-5173

high

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.

References

https://www.mozilla.org/security/advisories/mfsa2023-41/

https://security.gentoo.org/glsa/202401-10

https://bugzilla.mozilla.org/show_bug.cgi?id=1823172

Details

Source: Mitre, NVD

Published: 2023-09-27

Updated: 2024-01-07

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High