cve.bz

CVE-2021-38171

9.8 criticalEPSS 2.4%

Critical (9.8). EPSS 2.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE
CWE-252
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON