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CVE-2026-56109 on CTRL-OS 26.05

Aliases: CVE-2026-56109

Packages: alsa-lib

Status: Plausible

Advisory Information

The Advanced Linux Sound Architecture (ALSA) library before 1.2.16.1 contains a double-free vulnerability in parse_def() in src/conf.c that allows attackers to corrupt memory by supplying maliciously crafted ALSA configuration text. When parsing nested compound or array configuration blocks, parse_def() fails to check return values before continuing, causing snd_config_delete() to be called twice on the same already-freed node, resulting in a NULL-pointer write or invalid memory read.

Updates

2026-07-06 23:32 CEST

Metadata changes:

  • Status for package alsa-lib: “Plausible”

(Amended on: 2026-07-10 17:14 CEST)

2026-07-06 23:32 CEST

Metadata changes:

  • Status for package alsa-lib: “New”