CVE-2026-122328
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
8.5
(v4.0)
Vulnerability status
Received
Source identifier
Published
2026-11-05 16:17:45.853000
Last modified
2026-11-05 16:17:45.853000
View original CVE JSON
{
"id": "CVE-2026-122328",
"sourceIdentifier": "[email protected]",
"published": "2026-11-05T16:17:45.853",
"lastModified": "2026-11-05T16:17:45.853",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "libsdl-org",
"product": "SDL_mixer",
"defaultStatus": "unaffected",
"repo": "https://github.com/libsdl-org/SDL_mixer",
"packageURL": "pkg:github/libsdl-org/SDL_mixer",
"versions": [
{
"version": "3.1.2",
"lessThanOrEqual": "3.2.4",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-121"
}
]
}
],
"references": [
{
"url": "https://github.com/libsdl-org/SDL_mixer",
"source": "[email protected]"
},
{
"url": "https://github.com/libsdl-org/SDL_mixer/blob/release-3.2.4/src/decoder_wav.c#L1658-1659",
"source": "[email protected]"
},
{
"url": "https://github.com/libsdl-org/SDL_mixer/blob/release-3.2.4/src/decoder_wav.c#L750-761",
"source": "[email protected]"
},
{
"url": "https://github.com/libsdl-org/SDL_mixer/commit/df966f698e18ae849bd92796a26311e79c555718",
"source": "[email protected]"
},
{
"url": "https://github.com/libsdl-org/SDL_mixer/issues/907",
"source": "[email protected]"
},
{
"url": "https://github.com/libsdl-org/SDL_mixer/pull/910",
"source": "[email protected]"
},
{
"url": "https://hackmd.io/@haindpwn/sdl-mixer-fetchxlaw-stack-overflow",
"source": "[email protected]"
},
{
"url": "https://www.vulncheck.com/advisories/sdl-mixer-3.1.2-through-3.2.4-stack-based-buffer-overflow-via-fetchxlaw-in-wav-decoder",
"source": "[email protected]"
}
]
}