CVE-2026-88807

EUVD-2026-83916
A heap overflow in libXrender before 0.9.13 in RenderQueryPictFormats could be used by malicious X servers to inject code into attached X clients.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
suseCNA
8.9 HIGH
NETWORK
HIGH
NONE
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
x.orglibxrender
𝑥
< 0.9.13
CNA
Common Weakness Enumeration
References
https://gitlab.freedesktop.org/xorg/lib/libxrender/-/merge_requests/19