Vulnerability CVE-2023-6856: Information

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.

Severity: HIGH (8.8) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published: Dec. 19, 2023
Modified: Feb. 2, 2024
Error type identifier: CWE-787

Fixed packages

References to Advisories, Solutions, and Tools

    1. Configuration 1

      cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
      End excliding
      115.6

      cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
      End excliding
      121.0

      cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
      End excliding
      115.6

      Configuration 2

      cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

      cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

      cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*