Vulnerability · NVD

CVE-2023-6856

CVE-2023-6856, rated high by the vendor: 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 8.8
Exploitation: 20.6 %
Tracked apps: 2
Still exposed: 0

Vendor bulletin scale : NVD CVSS pending Published on 2023-12-19

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.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS 20.63% moderate exploit risk percentile 97.5%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <121.0 Fixed in 121.0 Latest tracked 157.0 patched

Observed affected builds (70)

120.0.1 120.0 119.0.1 119.0 118.0.2 118.0.1 118.0 117.0.1 117.0 116.0.3 116.0.2 116.0.1 116.0 115.0.3 115.0.2 115.0.1 115.0 114.0.2 114.0.1 113.0.2 113.0.1 113.0 112.0.2 112.0.1 112.0 111.0.1 111.0 110.0.1 110.0 109.0.1 +40 · see history
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <115.6 Fixed in 115.6 Latest tracked 157.0.1 patched

Observed affected builds (72)

115.5.2 115.5.1 115.4.2 115.4.1 115.3.3 115.3.2 115.3.1 115.3.0 115.2.3 115.2.2 115.0 102.15.0 102.14.0 102.13.0 102.12.0 102.11.2 102.11.1 102.11.0 102.10.1 102.10.0 102.9.1 102.9.0 102.8.0 102.7.2 102.7.1 102.7.0 102.6.1 102.6.0 102.5.1 102.5.0 +42 · see history

Vulnerable CPE configurations (2)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<121.0	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<115.6	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ Advisory · www.mozilla.org

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