vulnerability
CentOS Linux: CVE-2023-6856: Important: firefox security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | Dec 19, 2023 | Jan 3, 2024 | Jan 28, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
Dec 19, 2023
Added
Jan 3, 2024
Modified
Jan 28, 2025
Description
The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Solutions
centos-upgrade-firefoxcentos-upgrade-firefox-debuginfocentos-upgrade-thunderbirdcentos-upgrade-thunderbird-debuginfo
References
Rapid7 Labs
2026 Global Threat Landscape Report
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