CVE-2026-111157 SoX through 14.4.2 Heap Out-of-Bounds Write via MS ADPCM WAV Decoding
Attackers can execute arbitrary code or cause denial of service by providing a crafted MS ADPCM WAV file to SoX or applications using libsox.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-111157?
CVE-2026-111157 is a medium-severity memory corruption vulnerability in sox, published on 15 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
SoX through 14.4.2 contains a heap out-of-bounds write vulnerability in lsx_ms_adpcm_block_expand_i() in src/adpcm.c, triggered by an odd samplesPerBlock value in the WAV fmt chunk. Attackers can supply a crafted MS ADPCM WAV file to sox or any libsox consumer to write a partially controlled 16-bit sample past the heap buffer allocated by wav_ms_adpcm_fmt().
Weakness: CWE-787
Which versions are affected by CVE-2026-111157?
How do I fix CVE-2026-111157?
No fix has been published for CVE-2026-111157 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-111157 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111157 exists.
Sources
Also known as AZL-109770, DEBIAN-CVE-2026-111157, GHSA-c49g-67hx-w7g2, UBUNTU-CVE-2026-111157.