GHSA-6qvp-r6r3-9p7h
Nokogiri NULL Pointer Dereference
At a glance
- Published
- Updated
- CVE
- CVE-2018-14404
- CVSS_V3
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Affected packages
| Package | Versions |
|---|---|
| RubyGems · nokogiri | introduced 0, fixed 1.8.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-14404 ADVISORY
- https://github.com/sparklemotion/nokogiri/issues/1785 WEB
- https://access.redhat.com/errata/RHSA-2019:1543 WEB
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=1595985 WEB
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2018-14404.yml WEB
- https://gitlab.gnome.org/GNOME/libxml2/issues/10 WEB
- https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html WEB
- https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html WEB
- https://security.netapp.com/advisory/ntap-20190719-0002 WEB
- https://usn.ubuntu.com/3739-1 WEB
- https://usn.ubuntu.com/3739-2 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |