Out-of-bounds Read in Ffmpeg

CVE-2023-46407

FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (22.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

  • Ffmpeg — versions 6.1
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-46407?
CVE-2023-46407 is a medium-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2023-10-27.
How severe is CVE-2023-46407?
Medium severity. CVSS v3 base score is 5.5 out of 10.