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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
libsdl-org SDL_mixer unaffected
Version Status Constraints
3.1.2 affected ≤ 3.2.4

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/libsdl-org/SDL_mixer cve-icon
https://github.com/libsdl-org/SDL_mixer/blob/release-3.2.4/src/decoder_wav.c#L1658-1659 cve-icon
https://github.com/libsdl-org/SDL_mixer/blob/release-3.2.4/src/decoder_wav.c#L750-761 cve-icon
https://github.com/libsdl-org/SDL_mixer/commit/df966f698e18ae849bd92796a26311e79c555718 cve-icon
https://github.com/libsdl-org/SDL_mixer/issues/907 cve-icon
https://github.com/libsdl-org/SDL_mixer/pull/910 cve-icon
https://hackmd.io/@haindpwn/sdl-mixer-fetchxlaw-stack-overflow cve-icon
https://www.vulncheck.com/advisories/sdl-mixer-3.1.2-through-3.2.4-stack-based-buffer-overflow-via-fetchxlaw-in-wav-decoder cve-icon
History

Thu, 05 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title SDL_mixer 3.1.2 through 3.2.4 Stack-based Buffer Overflow via FetchXLaw() in WAV Decoder
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-05T15:11:47.143Z

Reserved: 2026-11-04T23:26:08.935Z

Link: CVE-2026-122328

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses