Name: CVE-2026-86141: Unchecked Return Value
Creator: Rapid7
Published: 2026-09-05T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-86141, CWE-252, CVSS 3.3, EPSS 0.00165

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 Details

CVSS 3.1 Base Score: 3.3
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Ibm Aix	—	Apply the fix or workaround for libxml2_advisory12	Oct 21, 2026	Oct 21, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Sep 21, 2026	Sep 5, 2026

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CVSS Details

Covered by Rapid7

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