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Vulnerability record · CVE-2006-10002 · published 19 March 2026

CVE-2006-10002: Toddr xml\ heap-based buffer overflow vulnerability

Toddr · Xml\

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.

7.5 CVSS 3.1 High EPSS 0.60% · top 53.3% CWE-122 · Heap-based buffer overflowCWE-176 · CWE-176
7.5CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/cpan-authors/XML-Parser/commit/56b0509dfc6b559cd7555ea81ee62e3622069255.patch
https://github.com/cpan-authors/XML-Parser/issues/64 Issue Tracking
https://metacpan.org/release/TODDR/XML-Parser-2.46/changes
https://rt.cpan.org/Ticket/Display.html?id=19859 Mailing List
http://www.openwall.com/lists/oss-security/2026/03/19/1 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2026/03/22/3

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-10002), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.