Red Hat Security Advisory: krb5 security update
Affects Red Hat krb5Source GCVE Database
Not known to be exploited : upgrade Red Hat krb5 to 1.18.2-9.el8_4.2 soon.
Data as of 5 Nov 2026, 15:17 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- Patch
- Available – fixed in 1.18.2-9.el8_4.2
Exploitation evidence
Disclosed: evidence found.
CVE published 4 Nov 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade Red Hat krb5 to 1.18.2-9.el8_4.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Product Security Red Hat | Affected
| Fixed in
|
AI-suggested
Red Hat has released updated krb5 packages for Red Hat Enterprise Linux 8.4 to address this vulnerability. Users should apply the official security update as described in the Red Hat advisory (RHSA-2024:8791) to remediate the forgery attack issue. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the update.
Description
A security update for krb5 addresses a vulnerability (CVE-2024-3596) involving a forgery attack in freeradius. Kerberos is a network authentication system that prevents sending passwords in unencrypted form by using a trusted third party, the Kerberos key distribution center (KDC). This update is rated as important by Red Hat and affects Red Hat Enterprise Linux 8.4 variants. The update mitigates the forgery attack vulnerability in freeradius, improving authentication security.