| 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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4251-1 |
| Debian Bugs | 1107752 |
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+deb11u9 | fixed | |
| bookworm, bookworm (security) | 2.9.14+dfsg-1.3~deb12u4 | fixed | |
| trixie (security), trixie | 2.12.7+dfsg+really2.9.14-2.1+deb13u1 | fixed | |
| forky | 2.14.6+dfsg-0.1 | fixed | |
| sid | 2.15.1+dfsg-0.3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | bullseye | 2.9.10+dfsg-6.7+deb11u8 | DLA-4251-1 | ||
| libxml2 | source | bookworm | 2.9.14+dfsg-1.3~deb12u3 | |||
| libxml2 | source | (unstable) | 2.12.7+dfsg+really2.9.14-2 | 1107752 |
https://gitlab.gnome.org/GNOME/libxml2/-/issues/933
Fixed by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/71e1e8af5ee46dad1b57bb96cfbf1c3ad21fbd7b