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CVE-2026-8177

XML::LibXML · Vulnerability

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-8177

Published

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 past the end of the input string into adjacent heap memory. Any Perl process that passes attacker controlled strings to XML::LibXML's DOM node-name methods can reach this path on the default API. The likely consequence is a crash, causing denial of service.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-8177

Published

XML-LibXML

https://cpan.org/modules

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "packageName": "XML-LibXML",
                    "product": "XML::LibXML",
                    "programFiles": [
                        "dom.c"
                    ],
                    "repo": "https://github.com/cpan-authors/XML-LibXML",
                    "vendor": "SHLOMIF",
                    "versions": [
                        {
                            "lessThanOrEqual": "2.0210",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON