PT-2026-86302

CVE-2026-86141

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Published

2026-09-05

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Updated

2026-10-23

Description by

CVSS 3.1
3.3
Low
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions libxml2 versions prior to 2.15.4
Description The xmlregexp module contains a NULL pointer dereference in the xmlRegNewParserCtxt() function. This occurs following a strdup failure because the system fails to calculate the string length after performing a NULL check.
Recommendations Update libxml2 to version 2.15.4 or later.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Weakness enumeration
CWE-252: Unchecked Return Value
Related identifiers
CVE-2026-86141
AZL-99708
CLSA-2026-1789601022
CLSA-2026-1789668093
CLSA-2026-1789668422
CLSA-2026-1789780589
ECHO-65FF-653B-67A3
RHSA-2026:64463
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