CVE-2006-10003
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk42th percentile - higher than 42% of all known CVEs
Summary
XML::Parser versions through 2.47 for Perl have an off-by-one heap buffer overflow in st_serial_stack. The bug occurs when the stack is not expanded at the maximum size, causing a write outside the allocated buffer.
Risk Assessment
An attacker can exploit this vulnerability to execute arbitrary code or cause a denial of service by providing a specially crafted XML file with very deep element nesting.
Recommendation
Update XML::Parser to version 2.48 or later, which includes a fix for this vulnerability.
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Original NVD description (English source)
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
Vulnerability data from NVD (NIST) · CISA KEV · EPSS