| Name | CVE-2017-5969 |
| Description | libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states "I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2972-1, ELA-837-1 |
| Debian Bugs | 855001 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libxml2 (PTS) | jessie, jessie (lts) | 2.9.1+dfsg1-5+deb8u17 | fixed |
| stretch (security) | 2.9.4+dfsg1-2.2+deb9u7 | vulnerable |
| stretch (lts), stretch | 2.9.4+dfsg1-2.2+deb9u11 | fixed |
| buster, buster (lts) | 2.9.4+dfsg1-7+deb10u9 | fixed |
| buster (security) | 2.9.4+dfsg1-7+deb10u6 | fixed |
| bullseye | 2.9.10+dfsg-6.7+deb11u4 | fixed |
| bullseye (security) | 2.9.10+dfsg-6.7+deb11u5 | fixed |
| bookworm | 2.9.14+dfsg-1.3~deb12u1 | fixed |
| sid, trixie | 2.12.7+dfsg+really2.9.14-0.2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[jessie] - libxml2 <no-dsa> (Minor issue, only a denial-of-service when using recover mode)
[wheezy] - libxml2 <no-dsa> (Minor issue, only a denial-of-service when using recover mode)
https://www.openwall.com/lists/oss-security/2016/11/05/3
Upstream bug: https://bugzilla.gnome.org/show_bug.cgi?id=778519
Duplicate upstream bug (contains patch): https://bugzilla.gnome.org/show_bug.cgi?id=758422
Fixed by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/94691dc884d1a8ada39f073408b4bb92fe7fe882