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CVE-2026-4686

🗓️ 24 Mar 2026 13:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 6 Views

Canvas2D boundary condition bug affects Firefox and Thunderbird versions below the listed ESR and release numbers.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04anythunderbird0thunderbird_0_any.deb
Ubuntu18.04anymozjs380mozjs38_0_any.deb

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16 Apr 2026 03:45Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.5
EPSS0.00027
SSVC
6