| Name | CVE-2017-16931 |
| Description | parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1194-1 |
| NVD severity | high |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libxml2 (PTS) | stretch | 2.9.4+dfsg1-2.2+deb9u2 | fixed |
| stretch (security) | 2.9.4+dfsg1-2.2+deb9u5 | fixed |
| buster | 2.9.4+dfsg1-7+deb10u2 | fixed |
| bullseye | 2.9.10+dfsg-6.7 | fixed |
| bookworm, sid | 2.9.12+dfsg-5 | 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+wheezy11 | | DLA-1194-1 | |
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u5 | | | |
| libxml2 | source | stretch | 2.9.4+dfsg1-2.2+deb9u1 | | | |
| libxml2 | source | (unstable) | 2.9.4+dfsg1-3.1 | | | |
Notes
https://bugzilla.gnome.org/show_bug.cgi?id=766956
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3
Not a duplicate but a variant of the issue of CVE-2017-9049 and CVE-2017-9050