CVE-2026-96674

Publié : 23 septembre 2026

Modifié : 23 septembre 2026

Score CVSS

4.4

MEDIUM

Description détaillée

alsa-lib through 1.2.16.1 computes combined topology element size using 32-bit arithmetic in src/topology/ctl.c, allowing integer overflow that defeats bounds checks. Attackers can supply crafted topology files that wrap size calculations, causing the decoder to read beyond the topology buffer and potentially leak sensitive data or crash the application.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

Références et Patchs

https://github.com/alsa-project/alsa-lib https://github.com/alsa-project/alsa-lib/blob/v1.2.16.1/src/topology/ctl.c#L1316-L1326 https://github.com/alsa-project/alsa-lib/blob/v1.2.16.1/src/topology/ctl.c#L1420-L1430 https://github.com/alsa-project/alsa-lib/blob/v1.2.16.1/src/topology/ctl.c#L1511-L1521 https://github.com/alsa-project/alsa-lib/pull/527 https://www.vulncheck.com/advisories/alsa-lib-through-1.2.16.1-integer-overflow-via-topology-file

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