CVE-2005-2409

CVE-2005-2409 is a high-severity vulnerability in Nbsmtp with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Format string vulnerability in util.c in nbsmtp 0.99 and earlier, while running in debug mode, allows remote attackers to execute arbitrary code via format string specifiers that are not properly handled in a syslog call.

Frequently asked questions

What is CVE-2005-2409?
Format string vulnerability in util.c in nbsmtp 0.99 and earlier, while running in debug mode, allows remote attackers to execute arbitrary code via format string specifiers that are not properly handled in a syslog call.
How severe is CVE-2005-2409?
CVE-2005-2409 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2409 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2409?
CVE-2005-2409 affects Nbsmtp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-2409?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-2409 published?
CVE-2005-2409 was published on 2005-08-01 and last updated on 2026-06-16.

References

Affected products (1)