CVE Watch4 nov 2026

CVE-2026-120651

CGI versions before 5.00 for Perl allow an infinite loop on a short request body when $DISABLE_UPLOADS is set. When $CGI::PUTDATA_UPLOAD or

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 4 nov 2026 · Última mod.: 4 nov 2026 · CWE-835

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

CGI versions before 5.00 for Perl allow an infinite loop on a short request body when $DISABLE_UPLOADS is set. When $CGI::PUTDATA_UPLOAD or an upload hook is set, read_postdata_putdata takes a request body that is not a form submission. With $CGI::DISABLE_UPLOADS set, it discards the body by reading until Content-Length bytes have arrived. Once a body shorter than its Content-Length runs out, every read returns 0, so the loop never ends. A client can keep a server process spinning with one such request.

Referencias oficiales

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