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CVE-2020-28601

CRITICAL
9.8
CVSS Score
Published: March 4, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:10 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraComputational Geometry Algorithms Library

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
SSVC
No known exploit

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_2/PM_io_parser.h PM_io_parser::read_vertex() Face_of[] OOB read. An attacker can provide malicious input to trigger this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (6)

Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/05/msg00002.html
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/12/msg00011.html
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E4J344OKKDLPRN422OYRR46HDEN6MM6P/
Vendor Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NB5SF5OJR2DSV7CC6U7FVW5VJSJO5EKV/
Vendor Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202305-34
Technical DescriptionThird Party Advisory
Source: [email protected]
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-129CWE-125

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