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CVE-2026-1940

MEDIUM

5.1

Descricao

An incomplete fix for CVE-2024-47778 allows an out-of-bounds read in gst_wavparse_adtl_chunk() function. The patch added a size validation check lsize + 8 > size, but it does not account for the GST_ROUND_UP_2(lsize) used in the actual offset calculation. When lsize is an odd number, the parser advances more bytes than validated, causing OOB read.

Detalhes CVE

Pontuacao CVSS v3.15.1

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/23/2026

Ultima modificacao3/24/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-125

Referencias

https://access.redhat.com/security/cve/CVE-2026-1940(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2436932(secalert@redhat.com)

https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4854(secalert@redhat.com)

https://gstreamer.freedesktop.org/security/sa-2026-0001.html(secalert@redhat.com)

https://security-tracker.debian.org/tracker/CVE-2026-1940(secalert@redhat.com)

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