CVE-2023-6856

CVE Details

Release Date:2023-12-19

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.

See more information about CVE-2023-6856 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 8.8 Base Metrics: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Access Vector: Network Attack Complexity: Low
Privileges Required: None User Interaction: Required
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (firefox)ELSA-2024-00262024-01-02
Oracle Linux version 7 (thunderbird)ELSA-2024-00272024-01-02
Oracle Linux version 8 (firefox)ELSA-2024-00122024-01-03
Oracle Linux version 8 (thunderbird)ELSA-2024-00032024-01-03
Oracle Linux version 9 (firefox)ELSA-2024-00252024-01-03
Oracle Linux version 9 (thunderbird)ELSA-2024-00012024-01-03



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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