| Name | CVE-2017-9050 |
| Description | libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839. |
| 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-1008-1, DSA-3952-1 |
| Debian Bugs | 863018 |
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 | 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
https://bugzilla.gnome.org/show_bug.cgi?id=781361 (not public)
https://www.openwall.com/lists/oss-security/2017/05/15/1
Fixed by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/e26630548e7d138d2c560844c43820b6767251e3