| Name | CVE-2026-90781 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1147619 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| alsa-lib (PTS) | bookworm | 1.2.8-1 | vulnerable |
| trixie | 1.2.14-1+deb13u1 | vulnerable |
| forky | 1.2.16.1-1 | vulnerable |
| sid | 1.2.16.1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| alsa-lib | source | (unstable) | 1.2.16.1-2 | | | 1147619 |
Notes
[trixie] - alsa-lib <no-dsa> (Minor issue)
[bookworm] - alsa-lib <postponed> (Minor issue, CLI crash)
https://lore.kernel.org/alsa-devel/CACBQ=P2FhO3M6dkv3cWuKb6Qhs92ouV+FJ3SJZ_PVBSSdJWRAQ@mail.gmail.com/
Fixed by: https://github.com/alsa-project/alsa-lib/commit/f84cd4ced7b36fddb8e4ee24404cf7c091d27020