CVE-2026-111132

medium

Description

GNOME libgxps through 0.3.2 contains a heap out-of-bounds read in path_geometry_start_element() that allows attackers to read past allocations via crafted PolyBezierSegment or PolyQuadraticBezierSegment Points attributes. Attackers can supply a point count not divisible by three or two in a crafted XPS document to crash consumers like Evince and render adjacent heap memory into output.

References

https://www.vulncheck.com/advisories/gnome-libgxps-through-0.3.2-heap-out-of-bounds-read-via-path-geometry-start-element

https://hackmd.io/@haind-pwn/libgxps-poly-segment-points-arity-oob-read

https://gitlab.gnome.org/GNOME/libgxps/-/blob/f5027ed09c767e8a02e652fbc77dcea79e19e10d/libgxps/gxps-path.c#L832-L848

https://gitlab.gnome.org/GNOME/libgxps/-/blob/f5027ed09c767e8a02e652fbc77dcea79e19e10d/libgxps/gxps-path.c#L776-L785

https://gitlab.gnome.org/GNOME/libgxps

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-102259

Details

Source: Mitre, NVD

Published: 2026-10-15

Updated: 2026-10-16

Risk Information

CVSS v2

Base Score: 5.6

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

Severity: Medium

CVSS v3

Base Score: 6.1

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

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00129