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CVE-2026-34743

MEDIUM

5.3

Descripcion

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzma_index_decoder() was used to decode an Index that contained no Records, the resulting lzma_index was left in a state where where a subsequent lzma_index_append() would allocate too little memory, and a buffer overflow would occur. This issue has been patched in version 5.8.3.

Detalles CVE

Puntuacion CVSS v3.15.3

SeveridadMEDIUM

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

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/2/2026

Ultima modificacion4/15/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

tukaani:xz

Debilidades (CWE)

CWE-122

Referencias

https://github.com/tukaani-project/xz/commit/c8c22869e780ff57c96b46939c3d79ff99395f87(security-advisories@github.com)

https://github.com/tukaani-project/xz/releases/tag/v5.8.3(security-advisories@github.com)

https://github.com/tukaani-project/xz/security/advisories/GHSA-x872-m794-cxhv(security-advisories@github.com)

http://www.openwall.com/lists/oss-security/2026/03/31/13(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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