alsa-lib through 1.2.16.1 Denial of Service via pcm_multi
Priority LOW 21CWE-129Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
alsa-lib through 1.2.16.1 contains a denial of service vulnerability in the multi PCM plugin that fails to validate sparse binding indices before array access. Attackers can supply a malicious ALSA configuration file with sparse bindings to trigger an out-of-bounds array read and assertion failure, causing the application to abort.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00111 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ALSA Project | alsa-lib | up to 1.2.16.1 | — | No fix listed | CNA |
- alsa-lib VendorALSA Project Affected up to 1.2.16.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Hardened Images | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-96675
- 2026-10-03 Alias added: GHSA-3gf2-g4r5-8vxr
References
More ALSA Project vulnerabilities
- TI-2019-10031 posix/JackSocket.cpp in libjack in JACK2 1.9.1 through 1.9.12 (as distributed with… CVSS 3.0HIGH 8.1
- TI-2026-40493 ALSA Library < 1.2.16.1 Double-Free via parse_def() in conf.c CVSS 4.0HIGH 7.0
- TI-2009-00035 Link following in alsa-driver CVSS 3.1MEDIUM 5.5
- TI-2005-00073 The alsa-lib package in Red Hat Linux 4 disables stack protection for the libasound.so… CVSS 2.0MEDIUM 4.6
- TI-2026-63834 alsa-lib through 1.2.16.1 Integer Overflow via Topology File CVSS 4.0MEDIUM 4.8
- TI-2026-61688 alsa-lib through 1.2.16.1 Off-by-One Stack Buffer Overflow in __snd_ctl_ascii_elem_id_parse() CVSS 4.0MEDIUM 4.8
Sources
- CVE-2026-96675 · CVE Program
- CVE-2026-96675 · NVD
- FIRST EPSS
- GHSA-3gf2-g4r5-8vxr · GitHub Advisory Database · CC BY 4.0
- CVE-2026-96675 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences