Source: alsa-lib
Version: 1.2.16.1-1
Severity: important
Tags: security upstream
Forwarded: 
https://lore.kernel.org/alsa-devel/CACBQ=p2fho3m6dkv3cwukb6qhs92ouv+fj3sjz_pvbssdjw...@mail.gmail.com/
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerability was published for alsa-lib.

CVE-2026-90781[0]:
| alsa-lib through 1.2.16.1 contains a stack buffer overflow in the
| __snd_ctl_ascii_elem_id_parse() function that writes one byte past a
| 64-byte buffer when parsing a name= field with 64 or more
| characters. Attackers can supply a long control-element identifier
| string through saved state files or command-line arguments to
| overwrite adjacent stack memory and crash the calling process.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-90781
    https://www.cve.org/CVERecord?id=CVE-2026-90781
[1] 
https://lore.kernel.org/alsa-devel/CACBQ=p2fho3m6dkv3cwukb6qhs92ouv+fj3sjz_pvbssdjw...@mail.gmail.com/
[2] 
https://github.com/alsa-project/alsa-lib/commit/f84cd4ced7b36fddb8e4ee24404cf7c091d27020

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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