CVE-2026-4426

MEDIUM

6.5

Descricao

A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.

Detalhes CVE

Pontuacao CVSS v3.16.5

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/19/2026

Ultima modificacao3/20/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-1335

Referencias

https://access.redhat.com/security/cve/CVE-2026-4426(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2449010(secalert@redhat.com)

https://github.com/libarchive/libarchive/pull/2897(secalert@redhat.com)

Correlacoes IOC

Sem correlacoes registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.