{"cve":"CVE-2018-14404","nvd":{"published":"2018-07-19T13:29:00.480","modified":"2026-10-14T07:16:42.140","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-476"],"references":["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"],"products":["canonical:ubuntu_linux","debian:debian_linux","xmlsoft:libxml2"],"source":"nvd","synced_at":"2026-10-19T20:52:03.425131697+00:00"},"epss":{"cve":"CVE-2018-14404","score":0.03748,"percentile":0.89792,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-6qvp-r6r3-9p7h","url":"https://osv.dev/vulnerability/GHSA-6qvp-r6r3-9p7h","summary":"Nokogiri NULL Pointer Dereference","modified":"2025-12-05T12:28:29.328953Z","packages":[{"ecosystem":"RubyGems","name":"nokogiri","purl":"pkg:gem/nokogiri","ranges":["<1.8.5"],"fixed":["1.8.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}