7.5

CVE-2022-3116: heimdal_project heimdal NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesMGASA-2022-0395UBUNTU-CVE-2022-3116
Published 27-03-2023Last modified 24-02-2025
Open JSON

Vulnerability summary

CVE-2022-3116 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in heimdal_project heimdal. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.89%
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-5675-1

Timeline

  1. 27-03-2023
    PublishedVulnerability first disclosed.
  2. 24-02-2025
    Last modifiedVulnerability information updated.

Description

The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.89% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.89%

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

Heimdal_project1 product
Mageia1 product
  • heimdal< 7.7.0-5.2.mga8
Ubuntu1 product
  • heimdal< 1.6~git20131207+dfsg-1ubuntu1.2+esm1 | < 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1 | < 7.5.0+dfsg-1ubuntu0.1 | < 7.7.0+dfsg-1ubuntu1.1 | All versions (No fix recorded)

3 vendors · 3 products

References

9 links