Double Free in Alsa-project Alsa-lib
CVE-2026-56109
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 p…
Vulnerability class: Double Free
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Alsa-project Alsa-lib — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56109?
- CVE-2026-56109 is a medium-severity vulnerability in Alsa-project Alsa-lib, classified under Double Free. CVSS score: 6.8/10. Published 2026-06-22.
- How severe is CVE-2026-56109?
- Medium severity. CVSS v3 base score is 6.8 out of 10.