6.5

CVE-2019-14443: debian debian_linux Divide By Zero

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2019-14443
Published 30-07-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-14443 is a medium (CVSS 6.5) Divide By Zero vulnerability in debian debian_linux. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 67.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1
DLA-2021-1

Timeline

  1. 30-07-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.20%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.20% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.libav.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
Libav1 product
Ubuntu1 product
  • libavAll versions (No fix recorded)

3 vendors · 3 products

References

4 links