CVE-2005-2661

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 95.5%
KEV: Not listed

Published

October 14, 2005

Last Modified

April 16, 2026

References (18)

security@debianhttp://secunia.com/advisories/17100/
security@debianhttp://secunia.com/advisories/17120
security@debianhttp://secunia.com/advisories/19113
security@debianhttp://securityreason.com/securityalert/547
security@debianhttp://www.debian.org/security/2005/dsa-852
security@debianhttp://www.gentoo.org/security/en/glsa/glsa-200603-04.xml
security@debianhttp://www.securityfocus.com/bid/15048
security@debianhttp://www.vupen.com/english/advisories/2005/2014
security@debianhttp://www.vupen.com/english/advisories/2005/2015
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17100/
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17120
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19113
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/547
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2005/dsa-852
af854a3a-2127-422b-91ae-364da2661108http://www.gentoo.org/security/en/glsa/glsa-200603-04.xml

Data Freshness Timeline

(refreshed 11× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-27 13:37 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
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2026-05-20 19:33 UTCOSV refresh
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2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-26340✓ verified
First seen Oct 10, 2005
Up-IMAPProxy 1.2.3/1.2.4 - Multiple Unspecified Remote Format String Vulnerabilities
Open source ↗

Frequently asked(4)

What is CVE-2005-2661?

CVE-2005-2661 is a none vulnerability published on October 14, 2005. 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.

When was CVE-2005-2661 disclosed?

CVE-2005-2661 was first published in the National Vulnerability Database on October 14, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-2661 actively exploited?

CVE-2005-2661 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-2661?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-2661, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2005-2661

📅 Published

🔄 Last Modified

🔗 References (18)