CVE-2021-38171 - CVE House
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Status published Critical CVE-2021-38171

adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the...

Vulnerability Description

adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2021-38094
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CVE-2021-38093
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Affected Vendor

Affected Software

ffmpeg, debian linux
Vulnerable Versions:
4.4, 9.0, 10.0, 11.0

Timeline

Official Publish: August 21st, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.