CVE-2026-122328 SDL_mixer 3.1.2 through 3.2.4 Stack-based Buffer Overflow via FetchXLaw() in WAV Decoder

High 8.5 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-122328?

CVE-2026-122328 is a high-severity vulnerability in libsdl-org SDL_mixer, published on 5 Nov 2026.

Official description

SDL_mixer 3.1.2 through 3.2.4 contains a stack-based buffer overflow vulnerability in FetchXLaw() of src/decoder_wav.c when decoding A-law or mu-law WAV files. Attackers can supply a crafted WAV file whose doubly-offset float expansion overwrites about 1 KB of adjacent stack memory, causing crashes or potentially code execution.

Weakness: CWE-121

Which versions are affected by CVE-2026-122328?

How do I fix CVE-2026-122328?

No fix has been published for CVE-2026-122328 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-122328 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-122328 exists.

Sources

Also known as DEBIAN-CVE-2026-122328, GHSA-7qqc-5rvj-wqqw, UBUNTU-CVE-2026-122328.

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