CVE-2026-125232
Full vulnerability record from the local CVENow database.
Description
FFmpeg through 9.0.2 contains a division by zero vulnerability in estimate_motion_b() in libavcodec/motion_est.c, caused by frame timestamp distances truncated to 16 bits. Attackers can supply input with timestamp gaps that are multiples of 65536, crashing MPEG-4 Part 2 or MPEG-1/2 B-frame encoding with SIGFPE.
Severity
MEDIUM
CVSS score
6.8
(v4.0)
Vulnerability status
Received
Source identifier
Published
2026-11-09 19:17:01.143000
Last modified
2026-11-09 22:18:45.867000
View original CVE JSON
{
"id": "CVE-2026-125232",
"sourceIdentifier": "[email protected]",
"published": "2026-11-09T19:17:01.143",
"lastModified": "2026-11-09T22:18:45.867",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "FFmpeg through 9.0.2 contains a division by zero vulnerability in estimate_motion_b() in libavcodec/motion_est.c, caused by frame timestamp distances truncated to 16 bits. Attackers can supply input with timestamp gaps that are multiples of 65536, crashing MPEG-4 Part 2 or MPEG-1/2 B-frame encoding with SIGFPE."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "FFmpeg",
"product": "FFmpeg",
"defaultStatus": "unaffected",
"repo": "https://code.ffmpeg.org/FFmpeg/FFmpeg",
"packageURL": "pkg:github/ffmpeg/ffmpeg",
"versions": [
{
"version": "0",
"lessThanOrEqual": "9.0.2",
"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:N/VI:N/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": 6.8,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"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": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-09T20:57:41.697888Z",
"id": "CVE-2026-125232",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-369"
}
]
}
],
"references": [
{
"url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24552",
"source": "[email protected]"
},
{
"url": "https://github.com/FFmpeg/FFmpeg",
"source": "[email protected]"
},
{
"url": "https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/motion_est.c#L1153",
"source": "[email protected]"
},
{
"url": "https://github.com/FFmpeg/FFmpeg/commit/16d19ccbce802634662a9bf18a5679cf27da2848",
"source": "[email protected]"
},
{
"url": "https://github.com/FFmpeg/FFmpeg/commit/bf0a2e4680df92d8de6514090d350152eb7845b8",
"source": "[email protected]"
},
{
"url": "https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-division-by-zero-in-b-frame-motion-estimation",
"source": "[email protected]"
}
]
}