CVE-2020-35633

HIGH

CGAL 5.1.1 - Out-of-Bounds Read and Type Confusion via Nef Polygon Parsing

Title source: llm
STIX 2.1

Description

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser<EW>::read_sface() store_sm_boundary_item() Edge_of.A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger this vulnerability.

References (3)

Core 3
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/12/msg00011.html
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202305-34

Scores

CVSS v3 8.8
EPSS 0.0225
EPSS Percentile 80.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-129
Status published
Products (2)
cgal/computational_geometry_algorithms_library 5.1.1
debian/debian_linux 10.0
Published Aug 30, 2021
Tracked Since Feb 18, 2026