CVE-2026-111132GNOME libgxps through 0.3.2 Heap Out-of-Bounds Read via path_geometry_start_element

Açıklama

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.

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Kaynaklar ve yamalar

• https://hackmd.io/@haind-pwn/libgxps-poly-segment-points-arity-oob-read technical-description
• https://gitlab.gnome.org/GNOME/libgxps/-/blob/f5027ed09c767e8a02e652fbc77dcea79e19e10d/libgxps/gxps-path.c#L7… technical-description
• https://gitlab.gnome.org/GNOME/libgxps/-/blob/f5027ed09c767e8a02e652fbc77dcea79e19e10d/libgxps/gxps-path.c#L8… technical-description
• https://gitlab.gnome.org/GNOME/libgxps product
• VulnCheck Advisory: GNOME libgxps through 0.3.2 Heap Out-of-Bounds Read via path_geometry_start_element third-party-advisory