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Vulnerabilities

Vulnerability · CVE-2005-1689

Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

Published Jul 18, 2005 · catalog updated Oct 22, 2026 · Double free vulnerability in

Check this week

CVE-2005-1689 is not in CISA KEV. FIRST estimates a 11.01% chance of exploitation in the next 30 days. Check whether you run Double free vulnerability in.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Double free vulnerability in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
11.01%
Remediation
Advisory link
Affected products
Debian:12 krb5 · Debian:13 krb5 · Debian:14 krb5

Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 krb50 → 1.3.6-4
  • Debian:13 krb50 → 1.3.6-4
  • Debian:14 krb50 → 1.3.6-4

How to fix CVE-2005-1689

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2005-1689 is not in CISA KEV. FIRST estimates a 11.01% chance of exploitation in the next 30 days. Check whether you run Double free vulnerability in.

Which versions are affected?

Compare what you have installed with 0 → 1.3.6-4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 11.01%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 18, 2005 · Trivy Vulnerability DB

    Detected

    Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

  2. Oct 22, 2026 · Trivy Vulnerability DB

    Fix available

    krb5 fixed in 1.3.6-4; krb5 fixed in 1.3.6-4; krb5 fixed in 1.3.6-4

  3. Oct 22, 2026 · Trivy Vulnerability DB

    Fix available

    krb5 fixed in 1.3.6-4

  4. Oct 22, 2026 · Trivy Vulnerability DB

    Updated

    Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

Sources

  • CVE.orgVulnerability recordCVE-2005-1689

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2005-1689

    30-day exploitation probability 11.01%

    first.org
  • Trivy Vulnerability DBPackage advisoryDEBIAN-CVE-2005-1689

    Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

    osv.dev

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.