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Low 2.9Published Sep 5, 2026
CVE-2026-86141xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.
- CVSS
- 2.9 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weakness (CWE)
- CWE-252
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Sep 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
xmlsoft libxml2 xmlsoft:libxml2 (from the name) | before 2.15.4 | CNA record |
xmlsoft libxml2 xmlsoft:libxml2 | before 2.15.4 | NVD |
References
- https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4release-notes
- https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55patch
- https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.