CVE-2023-4582
HIGHFirefox <117, Firefox ESR <115.2, Thunderbird <115.2 - Buffer Overflow
Title source: llmDescription
Due to large allocation checks in Angle for glsl shaders being too lenient a buffer overflow could have occurred 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.
References (4)
Core 4
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1773874
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-34/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-36/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-38/
Scores
CVSS v3
8.8
EPSS
0.0050
EPSS Percentile
66.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-120
Status
published
Products (3)
mozilla/firefox
< 117.0
mozilla/firefox_esr
< 115.2
mozilla/thunderbird
< 115.2
Published
Sep 11, 2023
Tracked Since
Feb 18, 2026