CVE-2026-34520

CRITICAL

9.1

Descricao

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4.

Detalhes CVE

Pontuacao CVSS v3.19.1

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/1/2026

Ultima modificacao4/4/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-113

Referencias

https://github.com/aio-libs/aiohttp/commit/9370b9714a7a56003cacd31a9b4ae16eab109ba4(security-advisories@github.com)

https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4(security-advisories@github.com)

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-63hf-3vf5-4wqf(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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