CVE-2006-10002 — XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double…

Affected: TODDR XML::Parser

XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes.

A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded characters while SvPV() gives back multi-byte UTF-8 bytes that can exceed the pre-allocated buffer size. This can cause heap corruption (double free or corruption) and crashes.

USN-8174-1 — libxml-parser-perl vulnerabilities

Affected: Ubuntu:22.04:LTS: libxml-parser-perl, Ubuntu:24.04:LTS: libxml-parser-perl, Ubuntu:25.10: libxml-parser-perl

It was discovered that XML::Parser incorrectly handled certain multi-byte UTF-8 characters. If a user or automated system were tricked into processing specially crafted XML data, a remote attacker could use this issue to cause XML::Parser to crash, resulting in a denial of service or to possibly execute arbitrary code. (CVE-2006-10002)

It was discovered that XML::Parser incorrectly handled very deep element nesting. If a user or automated system were tricked into processing specially crafted XML data, a remote attacker could use this issue to cause XML::Parser to crash, resulting in a denial of service or to possibly execute arbitrary code (CVE-2006-10003)

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CVE-2006-10002 — XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double…

USN-8174-1 — libxml-parser-perl vulnerabilities