Format string vulnerability in the lprintf function in Citadel/UX 6.27 and earlier allows remote attackers to execute arbitrary code via format string specifiers sent to the server.
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Format string vulnerability in the lprintf function in Citadel/UX 6.27 and earlier allows remote attackers to execute arbitrary code via format string specifiers sent to the server.
January 10, 2005
April 16, 2026
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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.
Citadel/UX 6.27 - Format String
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