Description
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_vertex() vh->sfaces_begin().
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| CGAL Project | libcgal | CGAL-5.1.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cgal | 5.2-3 | — |
| Debian 13 | cgal | 5.2-3 | — |
| Debian 12 | cgal | 5.2-3 | — |
| Debian 10 | cgal | 4.13-1+deb10u1 | DLA-3226-1 |
| Debian 9 | cgal | 4.9-1+deb9u1 | DLA-2649-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | cgal | No fix yet | — |
| Ubuntu 18.04 LTS | cgal | No fix yet | — |
| Ubuntu 16.04 LTS | cgal | No fix yet | — |
| Ubuntu 14.04 LTS | cgal | No fix yet | — |
Advisories 2
- DLA-3226-1 cgal - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2649-1 cgal - security update Debian Security (DSA / DLA) · Mar 9, 2026