CVE-2009-0770

CVE-2009-0770 is a medium-severity vulnerability in Dkim Dkim-milter 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

dkim-milter 2.6.0 through 2.8.0 allows remote attackers to cause a denial of service (crash) by signing a message with a key that has been revoked in DNS, which triggers an assertion error.

Frequently asked questions

What is CVE-2009-0770?
dkim-milter 2.6.0 through 2.8.0 allows remote attackers to cause a denial of service (crash) by signing a message with a key that has been revoked in DNS, which triggers an assertion error.
How severe is CVE-2009-0770?
CVE-2009-0770 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-0770 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0770?
CVE-2009-0770 primarily affects Dkim Dkim-milter. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0770?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0770 published?
CVE-2009-0770 was published on 2009-03-06 and last updated on 2026-06-16.

References

Affected products (5)