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.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 7.2 → 8.2 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 7.2 |
Affected Software
| Vendor | Product | Version |
|---|
| cgal | computational_geometry_algorithms_library | 5.1.1 |
| debian | debian_linux | 10.0 |
| debian | debian_linux | 9.0 |
| fedoraproject | fedora | 33 |
| fedoraproject | fedora | 34 |
| n/a | CGAL | CGAL Project libcgal CGAL-5.1.1 |
Published: 2021-03-04
