CVE-2026-33845

HIGH

7.5

Descricao

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/30/2026

Ultima modificacao4/30/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-191

Referencias

https://access.redhat.com/security/cve/CVE-2026-33845(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2450624(secalert@redhat.com)

Correlacoes IOC

Sem correlacoes registradas

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