CVE & CISA-KEV Catalog

CVE-2022-3116

HIGH
7.5
CVSS v3
NVD

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available
heimdalUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
heimdal-clientsUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
heimdal-clients-xUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
heimdal-kcmUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
heimdal-kdcUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
heimdal-serversUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
heimdal-servers-xUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
libgssapi3-heimdalUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
libkdc2-heimdalUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1
libkrb5-26-heimdalUbuntu
Fixed in:1.6~git20131207+dfsg-1ubuntu1.2+esm1USN-5675-1
Fixed in:1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1USN-5675-1
Fixed in:7.5.0+dfsg-1ubuntu0.1USN-5675-1
Fixed in:7.7.0+dfsg-1ubuntu1.1USN-5675-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.89%probability of exploitation in 30 days
55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Third-Party Advisory1
Other references1

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-21758High7.592%-Fix
CVE-2023-21547High7.588%-Fix
CVE-2014-3470Medium4.386%-Fix
CVE-2021-44224High8.282%-Fix
CVE-2016-0742High7.582%-Fix
CVE-2009-1386Medium5.080%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-24.