6.5

CVE-2018-13303: ffmpeg NULL Pointer Dereference

CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-13303DEBIAN-CVE-2018-13303
Published 05-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-13303 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in ffmpeg. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.41% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.41%

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

Ubuntu5 products
  • chromium-browserAll versions (No fix recorded)
  • gst-libav1.0All versions (No fix recorded)
  • kinoAll versions (No fix recorded)
  • mythtvAll versions (No fix recorded)
  • oxide-qtAll versions (No fix recorded)
Debian1 product
  • ffmpeg< 7:4.0.2-1
Ffmpeg1 product

3 vendors · 7 products

References

5 links