CVE-2018-14404
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an…
- 6.5MediumCVSS base score
- 3.7%Exploitation in 30 daysEPSS · top 10% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
Published
- 8 years later
· 8 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsnokogiriGHSA-6qvp-r6r3-9p7h (opens in a new tab)
References
10
- [debian-lts-announce] 20180927 [SECURITY] [DLA 1524-1] libxml2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://gitlab.gnome.org/GNOME/libxml2/issues/10 (opens in a new tab)x_refsource_MISCx_transferred
- USN-3739-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=901817 (opens in a new tab)x_refsource_MISCx_transferred
- USN-3739-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1595985 (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2019:1543 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://security.netapp.com/advisory/ntap-20190719-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20200909 [SECURITY] [DLA 2369-1] libxml2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-0178 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6qvp-r6r3-9p7h (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-14404)Record last updated .