CVE-2005-2661

CVE-2005-2661 is a high-severity vulnerability in Up-imapproxy with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Format string vulnerability in the ParseBannerAndCapability function in main.c for up-imapproxy 1.2.3 and 1.2.4 allows remote IMAP servers to execute arbitrary code via format string specifiers in a banner or capability line.

Frequently asked questions

What is CVE-2005-2661?
Format string vulnerability in the ParseBannerAndCapability function in main.c for up-imapproxy 1.2.3 and 1.2.4 allows remote IMAP servers to execute arbitrary code via format string specifiers in a banner or capability line.
How severe is CVE-2005-2661?
CVE-2005-2661 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2661 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2661?
CVE-2005-2661 primarily affects Up-imapproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2661?
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-2005-2661 published?
CVE-2005-2661 was published on 2005-10-14 and last updated on 2026-06-16.

References

Affected products (2)