| Name | CVE-2016-1836 |
| Description | Use-after-free vulnerability in the xmlDictComputeFastKey function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to cause a denial of service via a crafted XML document. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3593-1 |
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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | wheezy | (not affected) | |||
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u2 | DSA-3593-1 | ||
| libxml2 | source | (unstable) | 2.9.3+dfsg1-1.1 |
[wheezy] - libxml2 <not-affected> (Vulnerable code not present)
Fixed by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/45752d2c334b50016666d8f0ec3691e2d680f0a0 (v2.9.4)
Introduced by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/dcc19503193c71596278a252064a8ce66331b3cd (v2.9.2)
https://bugzilla.gnome.org/show_bug.cgi?id=759398
Regression applies to Jessie, since fix backported as 0007-Fix-a-parsing-bug-on-non-ascii-element-and-CR-LF-usa.patch