CVE-2020-35636

A code execution vulnerability exists in the Nef polygon-parsing funct ...

Published 4 Mar 2021Modified 17 Jun 2026CWE 129, 125, 843

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

Description

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() sfh->volume() OOB read. 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.

Affected packages and fixed versions

Source	Package	Fixed in
debian 10	cgal	4.13-1+deb10u1
debian 11	cgal	5.2-3
debian 12	cgal	5.2-3
debian 13	cgal	5.2-3
debian 14	cgal	5.2-3
debian 9	cgal	4.9-1+deb9u1
echo	cgal	5.2-3
ubuntu 18.04-ESM	cgal	no fix listed

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.