| Name | CVE-2026-56409 |
| Description | xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used. |
| 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) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| expat (PTS) | bullseye | 2.2.10-2+deb11u5 | vulnerable |
| bullseye (security) | 2.2.10-2+deb11u7 | vulnerable |
| bookworm | 2.5.0-1+deb12u2 | vulnerable |
| bookworm (security) | 2.5.0-1+deb12u1 | vulnerable |
| trixie | 2.7.1-2 | vulnerable |
| forky, sid | 2.8.1-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| expat | source | (unstable) | (unfixed) | | | |
Notes
https://github.com/libexpat/libexpat/pull/1259
Fixed by: https://github.com/libexpat/libexpat/commit/61f7cdda22546c4bee38dd2d3fa3d6e4aa64d33e