CVE-2023-5176 Information

Description

Memory safety bugs present in Firefox 117 Firefox ESR 115.2 and Thunderbird 115.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 118 Firefox ESR < 115.3 and Thunderbird < 115.3.

CVSS Vector

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

Reference

https://www.mozilla.org/security/advisories/mfsa2023-41/ https://www.mozilla.org/security/advisories/mfsa2023-43/ https://www.mozilla.org/security/advisories/mfsa2023-42/ https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836353%2C1842674%2C1843824%2C1843962%2C1848890%2C1850180%2C1850983%2C1851195 https://www.debian.org/security/2023/dsa-5506 https://lists.debian.org/debian-lts-announce/2023/09/msg00034.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8