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.
History

Sat, 05 Sep 2026 05:45:00 +0000

Type Values Removed Values Added
Title Null Pointer Dereference in libxml2 xmlregexp Parser

Sat, 05 Sep 2026 04:45:00 +0000

Type Values Removed Values Added
Description 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.
First Time appeared Xmlsoft
Xmlsoft libxml2
Weaknesses CWE-252
CPEs cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
Vendors & Products Xmlsoft
Xmlsoft libxml2
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-05T04:27:59.795Z

Reserved: 2026-09-05T04:27:58.625Z

Link: CVE-2026-86141

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-05T05:17:13.007

Modified: 2026-09-05T05:17:13.007

Link: CVE-2026-86141

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-05T06:30:04Z