CVE-2006-10003
Last modified
CVE-2006-10003 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack. In the case (stackptr == stacksize - 1), the stack will NOT be expanded. Then the new value will be written at location (++stackptr), which equals stacksize and therefore falls just outside the allocated buffer. The bug can be observed when parsing an XML file with very deep element nesting. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack. In the case (stackptr == stacksize - 1), the stack will NOT be expanded. Then the new value will be written at location (++stackptr), which equals stacksize and therefore falls just outside the allocated buffer. The bug can be observed when parsing an XML file with very deep element nesting
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Toddr | Xml\ | < 2.48 | Parser |
References
- https://github.com/cpan-authors/XML-Parser/issues/39Issue Tracking
- https://rt.cpan.org/Ticket/Display.html?id=19860Mailing List
- http://www.openwall.com/lists/oss-security/2026/03/19/2Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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