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Vendor: wlroots × Clear all filters

TI-2026-84410 CVE-2026-121604 · GHSA-ww5w-hv3v-hp9v

Out-of-bounds read in wlroots window class handling leaks heap memory

Priority LOW 21

wlroots before 0.20.2 contains an out-of-bounds read vulnerability in read_surface_class() in xwayland/xwm.c that allows local X11 clients to leak compositor heap memory.

CVSS 4.0MEDIUM 4.8· Local · Low privileges · No interaction · EPSS 0.00111 · Published 2026-11-03 · Fixed in 0.20.2 CWE-125

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