medium6.5
CVE-2018-14404
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Canonical | Ubuntu Linux | Versions 12.04, 14.04, 16.04, 18.04 |
| Debian | Debian Linux | All versions |
| Xmlsoft | Libxml2 | through 2.9.8 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2019:1543
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817
- https://bugzilla.redhat.com/show_bug.cgi?id=1595985
- https://gitlab.gnome.org/GNOME/libxml2/issues/10
- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
- https://security.netapp.com/advisory/ntap-20190719-0002/
- https://usn.ubuntu.com/3739-1/
- https://usn.ubuntu.com/3739-2/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html