CVE-2026-40962 (GCVE-0-2026-40962)
Vulnerability from cvelistv5
Published
2026-04-16 01:33
Modified
2026-04-16 03:18
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
References
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"vendor": "FFmpeg",
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"version": "4.1",
"versionType": "custom"
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"criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.1",
"vulnerable": true
}
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"negate": false,
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"baseScore": 4.9,
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"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"version": "3.1"
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"description": "CWE-190 Integer Overflow or Wraparound",
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"providerMetadata": {
"dateUpdated": "2026-04-16T03:18:09.228Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22348"
}
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"cveId": "CVE-2026-40962",
"datePublished": "2026-04-16T01:33:37.018Z",
"dateReserved": "2026-04-16T01:33:36.641Z",
"dateUpdated": "2026-04-16T03:18:09.228Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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