CVE-2024-31083
Xorg-x11-server: use-after-free in procrenderaddglyphs
Résumé
Xorg-x11-server: use-after-free in procrenderaddglyphs
Description d'origine
La description telle que publiée par la source (souvent en anglais).
A use-after-free vulnerability was found in the ProcRenderAddGlyphs() function of Xorg servers. This issue occurs when AllocateGlyph() is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the same non-refcounted glyphs. Consequently, ProcRenderAddGlyphs() may free a glyph, leading to a use-after-free scenario when the same glyph pointer is subsequently accessed. This flaw allows an authenticated attacker to execute arbitrary code on the system by sending a specially crafted request.
État des correctifs par distribution
Paquets corrigés publiés par chaque distribution pour cette CVE
- Debian DEBIAN-CVE-2024-31083 xorg-server Corrigé dans: 2:1.20.11-1+deb11u13
Références
- advisory access.redhat.com
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- advisory github.com
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- package gitlab.freedesktop.org
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