| Name | CVE-2018-14404 |
| Description | A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application. |
| 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-1524-1 |
| NVD severity | medium |
| Debian Bugs | 901817 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxml2 (PTS) | jessie | 2.9.1+dfsg1-5+deb8u6 | vulnerable |
| jessie (security) | 2.9.1+dfsg1-5+deb8u8 | fixed | |
| stretch (security), stretch | 2.9.4+dfsg1-2.2+deb9u2 | vulnerable | |
| buster | 2.9.4+dfsg1-7 | vulnerable | |
| bullseye, sid | 2.9.4+dfsg1-8 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | (unstable) | (unfixed) | low | 901817 | |
| libxml2 | source | experimental | 2.9.9+dfsg1-1~exp1 | |||
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u7 | DLA-1524-1 |
[buster] - libxml2 <no-dsa> (Minor issue)
[stretch] - libxml2 <no-dsa> (Minor issue)
https://gitlab.gnome.org/GNOME/libxml2/issues/5
https://gitlab.gnome.org/GNOME/libxml2/issues/10
https://gitlab.gnome.org/GNOME/libxml2/commit/a436374994c47b12d5de1b8b1d191a098fa23594