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CVE-2026-1940

Gstreamer: incomplete fix of cve-2026-1940

CVSS 5.1 MEDIUMEPSS 0.2%CWE-125
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Produtos afetados
Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9

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Referências
https://access.redhat.com/security/cve/CVE-2026-1940https://bugzilla.redhat.com/show_bug.cgi?id=2436932https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/4854https://gstreamer.freedesktop.org/security/sa-2026-0001.htmlhttps://security-tracker.debian.org/tracker/CVE-2026-1940