What is CVE-2026-86141?

CVE-2026-86141 is a low-severity vulnerability, classified under CWE-252. CVSS score: 2.9/10. Published 2026-09-05.

How severe is CVE-2026-86141?

Low severity. CVSS v3 base score is 2.9 out of 10.

CVE-2026-86141

CVE-2026-86141

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 v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Weakness classification (CWE)

CWE-252

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-86141?: CVE-2026-86141 is a low-severity vulnerability, classified under CWE-252. CVSS score: 2.9/10. Published 2026-09-05.
How severe is CVE-2026-86141?: Low severity. CVSS v3 base score is 2.9 out of 10.