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CVE-2026-55999

🗓️ 08 Jul 2026 20:19:42Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 3 Views

Heap buffer overflow in glamor_font_get() of X.Org server with oversized PCF font metrics, enabling code execution.

Related
Refs
ReporterTitlePublishedViews
Family
FreeBSD
xwayland -- Multiple vulnerabilities
7 Jul 202600:00
freebsd
FreeBSD
xorg-server -- Multiple vulnerabilities
7 Jul 202600:00
freebsd
ATTACKERKB
CVE-2026-55999
8 Jul 202608:07
attackerkb
AlpineLinux
CVE-2026-55999
8 Jul 202608:07
alpinelinux
Circl
CVE-2026-55999
8 Jul 202610:17
circl
CVE
CVE-2026-55999
8 Jul 202608:07
cve
Cvelist
CVE-2026-55999 xorg-server / xwayland glamor font atlas Heap Buffer Overflow
8 Jul 202608:07
cvelist
Debian CVE
CVE-2026-55999
8 Jul 202608:07
debiancve
EUVD
EUVD-2026-42188
8 Jul 202608:07
euvd
Fedora
[SECURITY] Fedora 44 Update: xorg-x11-server-Xwayland-24.1.13-1.fc44
10 Jul 202600:54
fedora
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