🛡️ CVE-2023-4582
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-120 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-120
Public Exploit ✅ No
Source NVD
Published 2023-09-11
Updated 2026-06-08
Modified 2025-12-18
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 117.0
firefox-esr 115.2
thunderbird 115.2

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