| 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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1524-1, DLA-2369-1 |
| Debian Bugs | 901817 |
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 (security), trixie | 2.12.7+dfsg+really2.9.14-2.1+deb13u1 | fixed | |
| forky | 2.14.6+dfsg-0.1 | fixed | |
| sid | 2.15.1+dfsg-0.3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | experimental | 2.9.9+dfsg1-1~exp1 | |||
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u7 | DLA-1524-1 | ||
| libxml2 | source | stretch | 2.9.4+dfsg1-2.2+deb9u3 | DLA-2369-1 | ||
| libxml2 | source | buster | 2.9.4+dfsg1-7+deb10u1 | |||
| libxml2 | source | (unstable) | 2.9.10+dfsg-2 | low | 901817 |
https://gitlab.gnome.org/GNOME/libxml2/issues/5
https://gitlab.gnome.org/GNOME/libxml2/issues/10
https://gitlab.gnome.org/GNOME/libxml2/commit/a436374994c47b12d5de1b8b1d191a098fa23594