What is CVE-2026-8177?

CVE-2026-8177 is a high-severity vulnerability in Shlomif Xml::libxml, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-05-10.

How severe is CVE-2026-8177?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in Shlomif Xml::libxml

CVE-2026-8177

XML::LibXML versions through 2.0210 for Perl read out-of-bounds heap memory when parsing XML node names containing truncated UTF-8 byte sequences. A node name ending in the middle of a multi byte UTF-8 sequence causes the parser to read p…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Shlomif Xml::libxml — versions 0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (patch)
9b29abf9-4ab0-4765-b253-1875cd9b441e (issue-tracking)
9b29abf9-4ab0-4765-b253-1875cd9b441e (issue-tracking)
af854a3a-2127-422b-91ae-364da2661108
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-8177?: CVE-2026-8177 is a high-severity vulnerability in Shlomif Xml::libxml, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-05-10.
How severe is CVE-2026-8177?: High severity. CVSS v3 base score is 7.5 out of 10.