MajorCritical vulnerability
CVE-2026-88807 (CVSS 8.9)
NVD · officialPublished Sep 21, 2026Risk 37/100
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.
Technical details
CVSS
8.9
AV:NetworkAC:HighPR:NoneUI:Active
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
Open primary source