| Name | CVE-2016-4449 |
| Description | XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors. |
| 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-503-1, DSA-3593-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxml2 (PTS) | bullseye | 2.9.10+dfsg-6.7+deb11u4 | fixed |
| bullseye (security) | 2.9.10+dfsg-6.7+deb11u9 | fixed | |
| bookworm, bookworm (security) | 2.9.14+dfsg-1.3~deb12u4 | fixed | |
| trixie | 2.12.7+dfsg+really2.9.14-2.1+deb13u2 | fixed | |
| trixie (security) | 2.12.7+dfsg+really2.9.14-2.1+deb13u1 | fixed | |
| forky | 2.15.1+dfsg-0.3 | fixed | |
| sid | 2.15.1+dfsg-0.4 | 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 | 2.8.0+dfsg1-7+wheezy6 | DLA-503-1 | ||
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u2 | DSA-3593-1 | ||
| libxml2 | source | (unstable) | 2.9.3+dfsg1-1.1 |
https://bugzilla.gnome.org/show_bug.cgi?id=761430
https://gitlab.gnome.org/GNOME/libxml2/-/commit/b1d34de46a11323fccffa9fadeb33be670d602f5 (v2.9.4)