| Name | CVE-2026-42479 |
| Description | An out-of-bounds read vulnerability in VrmlData_IndexedLineSet::TShape in the VRML parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of service via a crafted VRML file. The issue occurs because coordIndex values from parsed input are used as direct array indices without validation against the size of the coordinate array during geometry processing. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1136008 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| opencascade (PTS) | bullseye | 7.5.1+dfsg1-2 | vulnerable |
| bookworm | 7.6.3+dfsg1-7 | vulnerable |
| trixie | 7.8.1+dfsg1-3 | vulnerable |
| forky, sid | 7.9.2+dfsg-4 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| opencascade | source | (unstable) | (unfixed) | | | 1136008 |
Notes
[trixie] - opencascade <no-dsa> (Minor issue)
[bookworm] - opencascade <no-dsa> (Minor issue)
[bullseye] - opencascade <postponed> (Minor issue)
https://gist.github.com/sgInnora/dfba083d04906283e9c92aea78e2d94a