| Name | CVE-2017-16932 |
| Description | parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities. |
| 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-1194-1, DLA-2972-1, ELA-1227-1 |
| Debian Bugs | 882613 |
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 | fixed |
| 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 | vulnerable |
| 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
[buster] - libxml2 <ignored> (Minor issue; too intrusive to backport)
[jessie] - libxml2 <ignored> (Minor issue; too intrusive to backport)
https://bugzilla.gnome.org/show_bug.cgi?id=759579
https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961
Applying only 899a5d9f0ed13b8e32449a08a361e0de127dd961 does not completely
fix the issue, see https://bugs.debian.org/882613#12 for discussion.
bisecting, an important missing patchset seems to be
https://github.com/GNOME/libxml2/commit/453dff1e3b6f7aa724c4996a375c51df6d95abc4,
however this patch is very intrusive.