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CVE-2026-55999

🗓️ 08 Jul 2026 08:07:11Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux
🔗 security.alpinelinux.org👁 16 Views

Local attacker with an X connection can push PCX fonts to the X server before 21.2.24, causing a heap overflow.

Related
Packages
OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linuxanyanyxorg-server21.1.24-r0xorg-server-21.1.24-r0.apk
Alpine Linux3.24anyxorg-server21.1.24-r0xorg-server-21.1.24-r0.apk
Alpine Linuxanyanyxwayland24.1.13-r0xwayland-24.1.13-r0.apk
Alpine Linux3.24anyxwayland24.1.13-r0xwayland-24.1.13-r0.apk

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09 Jul 2026 19:49Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.8 - 8.5
EPSS0.00269
SSVC
16