| Name | CVE-2026-32778 |
| Description | libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition. |
| 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 | 1131119 |
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 | 2.7.5-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| expat | source | (unstable) | 2.7.5-1 | | | 1131119 |
Notes
[trixie] - expat <no-dsa> (Minor issue)
[bookworm] - expat <no-dsa> (Minor issue)
[bullseye] - expat <postponed> (Minor issue)
https://github.com/libexpat/libexpat/pull/1163
Fixed by: https://github.com/libexpat/libexpat/commit/576b61e42feeea704253cb7c7bedb2eeb3754387
Test: https://github.com/libexpat/libexpat/commit/d5fa769b7a7290a7e2c4a0b2287106dec9b3c030