| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1524-1, DLA-2369-1 |
| Debian Bugs | 901817 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libxml2 (PTS) | buster | 2.9.4+dfsg1-7+deb10u4 | fixed |
| buster (security) | 2.9.4+dfsg1-7+deb10u6 | fixed |
| bullseye (security), bullseye | 2.9.10+dfsg-6.7+deb11u4 | fixed |
| bookworm | 2.9.14+dfsg-1.3~deb12u1 | fixed |
| trixie, sid | 2.9.14+dfsg-1.3 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://gitlab.gnome.org/GNOME/libxml2/issues/5
https://gitlab.gnome.org/GNOME/libxml2/issues/10
https://gitlab.gnome.org/GNOME/libxml2/commit/a436374994c47b12d5de1b8b1d191a098fa23594