CVE-2023-6856

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.

References

https://www.mozilla.org/security/advisories/mfsa2023-56/

https://www.mozilla.org/security/advisories/mfsa2023-55/

https://www.mozilla.org/security/advisories/mfsa2023-54/

https://www.debian.org/security/2023/dsa-5582

https://www.debian.org/security/2023/dsa-5581

https://security.gentoo.org/glsa/202401-10

https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html

https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1843782

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3