7.5

CVE-2016-4353: canonical ubuntu_linux Improper Input Validation

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2016-4353DEBIAN-CVE-2016-4353
Published 13-06-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-4353 is a high (CVSS 7.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.15%
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 1 · Related 1
USN-2982-1

Timeline

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

Description

ber-decoder.c in Libksba before 1.3.3 does not properly handle decoder stack overflows, which allows remote attackers to cause a denial of service (abort) via crafted BER data.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.15%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.15% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.15%

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< 1.3.3-1
Gnupg1 product
Ubuntu1 product
  • libksba< 1.3.0-3ubuntu0.14.04.2

4 vendors · 4 products

References

10 links