Vulnerability · Published Mar 27, 2023 · Assigned by redhat
CVE-2022-3116
High 7.5
In plain English
A high-severity null pointer dereference in Heimdal Software Kerberos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | heimdal | no fix listed | UBUNTU-CVE-2022-3116 |
| Ubuntu:24.04:LTS | heimdal | no fix listed | UBUNTU-CVE-2022-3116 |
| Ubuntu:25.10 | heimdal | no fix listed | UBUNTU-CVE-2022-3116 |
| Ubuntu:26.04:LTS | heimdal | no fix listed | UBUNTU-CVE-2022-3116 |
| Ubuntu:26.10 | heimdal | no fix listed | UBUNTU-CVE-2022-3116 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Heimdal Software Kerberos | Heimdal Software Kerberos 5 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H