CVE catalog

CVE-2020-35631

cgal: CVE-2020-35631

Severity: Medium
Published: Apr 18, 2022, 5:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.28% · Oct 25, 2026

Multiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. 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 any of these vulnerabilities. An oob read vulnerability exists in Nef_S2/SNC_io_parser.h SNC_io_parser<EW>::read_sface() SD.link_as_face_cycle().

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	cgal	sid	`6.2.1-1`	fixed
Debian	cgal	forky	`6.2.1-1`	fixed
Debian	cgal	trixie	`6.0.1-1`	fixed
Debian	cgal	bookworm	`5.5.1-2`	fixed
Ubuntu	cgal	14.04	`4.2-4ubuntu1`	vulnerable
Ubuntu	cgal	14.04	`4.2-4ubuntu2`	vulnerable
Ubuntu	cgal	14.04	`4.2-5ubuntu1`	vulnerable
Ubuntu	cgal	16.04	`4.6.1-2ubuntu6`	vulnerable
Ubuntu	cgal	16.04	`4.7-3`	vulnerable
Ubuntu	cgal	16.04	`4.7-4`	vulnerable
Ubuntu	cgal	18.04	`4.9-1build2`	vulnerable
Ubuntu	cgal	18.04	`4.11-2`	vulnerable
Ubuntu	cgal	18.04	`4.11-2build1`	vulnerable
Ubuntu	cgal	20.04	`4.14-5`	vulnerable
Ubuntu	cgal	20.04	`5.0.2-1ubuntu1`	vulnerable
Ubuntu	cgal	20.04	`5.0.2-3`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	cgal	source	sid	`5.2-3`	not yet assigned	Not reported	[985671]
Debian	cgal	source	forky	`5.2-3`	not yet assigned	Not reported	[985671]
Debian	cgal	source	trixie	`5.2-3`	not yet assigned	Not reported	[985671]
Debian	cgal	source	bookworm	`5.2-3`	not yet assigned	Not reported	[985671]

[Debian bug #985671]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libcgal-demo]Fixed
Source package: [cgal]
Details (2)
- 5.5.1-2 · all · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
- 5.5.1-2 · all · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
[libcgal-dev]Fixed
Source package: [cgal]
Details (2)
- 5.5.1-2 · amd64 · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
- 5.5.1-2 · arm64 · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
[libcgal-ipelets]Fixed
Source package: [cgal]
Details (2)
- 5.5.1-2 · amd64 · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
- 5.5.1-2 · arm64 · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
[libcgal-qt5-dev]Fixed
Source package: [cgal]
Details (2)
- 5.5.1-2 · amd64 · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12
- 5.5.1-2 · arm64 · bookworm
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · bookworm; dsa · cgal · debian · 12

[Debian 13 (Trixie)]

[libcgal-demo]Fixed
Source package: [cgal]
Details (2)
- 6.0.1-1 · all · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
- 6.0.1-1 · all · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
[libcgal-dev]Fixed
Source package: [cgal]
Details (2)
- 6.0.1-1 · amd64 · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
- 6.0.1-1 · arm64 · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
[libcgal-ipelets]Fixed
Source package: [cgal]
Details (2)
- 6.0.1-1 · amd64 · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
- 6.0.1-1 · arm64 · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
[libcgal-qt6-dev]Fixed
Source package: [cgal]
Details (2)
- 6.0.1-1 · amd64 · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13
- 6.0.1-1 · arm64 · trixie
  Fixed · Fixed: 5.2-3
  dsa · cgal · debian · 13

Observed: Oct 23, 2026, 5:51:38 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]