6.5

CVE-2018-12458: debian debian_linux Improper Input Validation

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-12458DEBIAN-CVE-2018-12458
Published 15-06-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-12458 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.53%
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 3 · Related 1

Timeline

  1. 15-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

1.53%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.53% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.53%

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

Debian2 products
Ffmpeg1 product
Ubuntu1 product
  • ffmpeg< 7:2.8.15-0ubuntu0.16.04.1 | < 7:3.4.4-0ubuntu0.18.04.1

3 vendors · 4 products

References

6 links