7.5

CVE-2016-4579: canonical ubuntu_linux Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-4579DEBIAN-CVE-2016-4579DLA-470-1
Published 13-06-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-4579 is a high (CVSS 7.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 3.33% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.33%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 4
MGASA-2016-0181OPENSUSE-SU-2024:10126-1SUSE-SU-2016:1509-1SUSE-SU-2016:1510-1USN-2982-1

Timeline

  1. 13-06-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the "returned length of the object from _ksba_ber_parse_tl."

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.33%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

+0.13 pp

From 3.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.33%

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

Canonical1 product
Debian1 product
  • libksba< 1.3.4-3 | < 1.2.0-2+deb7u2
Gnupg1 product
Opensuse1 product
Ubuntu1 product
  • libksba< 1.3.0-3ubuntu0.14.04.2 | < 1.3.3-1ubuntu0.16.04.1

5 vendors · 5 products

References

10 links