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CVE-2026-32240

MEDIUM

6.5

Descricao

Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, when using Transfer-Encoding: chunked, if a chunk's size parsed to a value of 2^64 or larger, it would be truncated to a 64-bit integer. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.

Detalhes CVE

Pontuacao CVSS v3.16.5

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/12/2026

Ultima modificacao3/18/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

capnproto:capnproto

Fraquezas (CWE)

CWE-197CWE-444

Referencias

https://capnproto.org/capnproto-c++-1.4.0.tar.gz(security-advisories@github.com)

https://capnproto.org/capnproto-c++-win32-1.4.0.zip(security-advisories@github.com)

https://github.com/capnproto/capnproto/commit/2744b3c012b4aa3c31cefb61ec656829fa5c0e36(security-advisories@github.com)

https://github.com/capnproto/capnproto/commit/e929f0ba7901a6b8f4b5ba9a4db00af43288cbb0(security-advisories@github.com)

https://github.com/capnproto/capnproto/security/advisories/GHSA-vpcq-mx5v-32wm(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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