HIGH 8.8 Microsoft
CVE-2023-6856
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.
Microsoft Security Update 2023-Dec: 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.
Affected Products
- azl3 mozjs 102.15.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-6856
- https://nvd.nist.gov/vuln/detail/CVE-2023-6856
This high severity vulnerability with a CVSS score of 8.8 was published on 2023-12-12 via Microsoft. EPSS score: 20.6% (top 3% of all CVEs by exploitation probability). Affected: azl3 mozjs 102.15.1-1 on Azure Linux 3.0.
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