Heap-based Buffer Overflow in LibYAML's yaml_parser_scan_tag_uri Function

CVE-2013-6393 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.

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