CVE-2023-4582 Information

Description

Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occured when allocating too much private shader memory on mac OS. This bug only affects Firefox on macOS. Other operating systems are unaffected. This vulnerability affects Firefox < 117 Firefox ESR < 115.2 and Thunderbird < 115.2.

CVSS Vector

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

Reference

https://www.mozilla.org/security/advisories/mfsa2023-34/ https://www.mozilla.org/security/advisories/mfsa2023-36/ https://bugzilla.mozilla.org/show_bug.cgi?id=1773874 https://www.mozilla.org/security/advisories/mfsa2023-38/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8