| Name | CVE-2025-49796 |
| Description | A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1107752 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libxml2 (PTS) | bullseye | 2.9.10+dfsg-6.7+deb11u4 | vulnerable |
| bullseye (security) | 2.9.10+dfsg-6.7+deb11u7 | vulnerable |
| bookworm | 2.9.14+dfsg-1.3~deb12u1 | vulnerable |
| bookworm (security) | 2.9.14+dfsg-1.3~deb12u2 | vulnerable |
| sid, trixie | 2.12.7+dfsg+really2.9.14-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libxml2 | source | (unstable) | (unfixed) | | | 1107752 |
Notes
[bookworm] - libxml2 <no-dsa> (Minor issue)
https://gitlab.gnome.org/GNOME/libxml2/-/issues/933
Fixed by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/71e1e8af5ee46dad1b57bb96cfbf1c3ad21fbd7b