High severity · published Mar 19, 2026
CVE-2006-10002
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
7.5
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XM
XML::Parser · TODDR
through 2.45 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2006-10002
CVE.org
https://www.cve.org/CVERecord?id=CVE-2006-10002
github.com
https://github.com/cpan-authors/XML-Parser/commit/56b0509dfc6b559cd7555ea81ee62e3622069255.patch
Issue Tracking
https://github.com/cpan-authors/XML-Parser/issues/64
metacpan.org
https://metacpan.org/release/TODDR/XML-Parser-2.46/changes
Mailing List
https://rt.cpan.org/Ticket/Display.html?id=19859
Mailing List
http://www.openwall.com/lists/oss-security/2026/03/19/1
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/03/22/3
More from XML::Parser
9.8
CVE-2006-10003
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack