Detections
Analytics

CVE-2026-88807

high

Description

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.

References

https://gitlab.freedesktop.org/xorg/lib/libxrender/-/merge_requests/19

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-83916

Details

Source: Mitre, NVD

Published: 2026-09-21

Updated: 2026-09-22

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.3

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.9

Vector: 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

Severity: High

EPSS

EPSS: 0.0026