5.5

CVE-2023-46407: ffmpeg Out-of-bounds Read

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-46407CGA-54q3-j7mx-xhcjCGA-99qw-rhq8-4fx4
Published 27-10-2023Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2023-46407 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in ffmpeg. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 2
CGA-FQ6P-3CH8-QH9QCGA-HQRC-WVVR-CCXR

Timeline

  1. 27-10-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard1 product
  • ffmpeg< 6.1-r2
Ffmpeg1 product
Ubuntu1 product
  • ffmpeg< 7:6.1.1-3ubuntu5 | < 7:7.1.1-1ubuntu1.1
Wolfi1 product
  • ffmpeg< 6.1-r2

4 vendors · 4 products

References

7 links