PT-2026-137846
CVE-2026-121006
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Published
2026-11-06
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Updated
2026-11-06
Description by
Score
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HTTP::Body versions before 1.24 02 for Perl parse the trailer in quadratic time.
Everything after the last chunk in the same call to add() is parsed with HTTP::Headers, which takes time quadratic in the number of fields of one name. For example, it takes several seconds to parse 16 KiB of "a:" lines.
A remote attackercan exhause the CPU with a single request.
HTTP::Body version 1.25 limits the size and number of lines in the trailer.
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