CVE-2006-5989

CVE-2006-5989 is a medium-severity vulnerability in Mod Auth Kerb with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Off-by-one error in the der_get_oid function in mod_auth_kerb 5.0 allows remote attackers to cause a denial of service (crash) via a crafted Kerberos message that triggers a heap-based buffer overflow in the component array.

Frequently asked questions

What is CVE-2006-5989?
Off-by-one error in the der_get_oid function in mod_auth_kerb 5.0 allows remote attackers to cause a denial of service (crash) via a crafted Kerberos message that triggers a heap-based buffer overflow in the component array.
How severe is CVE-2006-5989?
CVE-2006-5989 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-5989 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5989?
CVE-2006-5989 affects Mod Auth Kerb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5989?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5989 published?
CVE-2006-5989 was published on 2006-11-20 and last updated on 2026-06-16.

References

Affected products (1)