Vulnerability · NVD

CVE-2023-6204

CVE-2023-6204, rated medium by the vendor: 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 6.5
Exploitation: 0.8 %
Tracked apps: 2
Still exposed: 0

Vendor bulletin scale : NVD CVSS pending Published on 2023-11-21

On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

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:N/A:N

EPSS 0.83% above median percentile 56.0%

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 <120.0 Fixed in 120.0 Latest tracked 157.0 patched

Observed affected builds (68)

119.0.1 119.0 118.0.2 118.0.1 118.0 117.0.1 117.0 116.0.3 116.0.2 116.0.1 116.0 115.0.3 115.0.2 115.0.1 115.0 114.0.2 114.0.1 113.0.2 113.0.1 113.0 112.0.2 112.0.1 112.0 111.0.1 111.0 110.0.1 110.0 109.0.1 109.0 108.0.2 +38 · see history
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <115.5 Fixed in 115.5 Latest tracked 156.0.1 patched

Observed affected builds (70)

115.4.2 115.4.1 115.3.3 115.3.2 115.3.1 115.3.0 115.2.3 115.2.2 115.0 102.15.0 102.14.0 102.13.0 102.12.0 102.11.2 102.11.1 102.11.0 102.10.1 102.10.0 102.9.1 102.9.0 102.8.0 102.7.2 102.7.1 102.7.0 102.6.1 102.6.0 102.5.1 102.5.0 102.4.2 102.3.3 +40 · see history

Vulnerable CPE configurations (2)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<120.0	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<115.5	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ Advisory · www.mozilla.org

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