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Fencer Vulns
high 7.5

CVE-2004-0777 in the critical feed json

Format string vulnerability in the auth_debug function in Courier-IMAP 1.6.0 through 2.2.1 and 3.x through 3.0.3, when login debugging (DEB…

published 2004-08-19 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0775

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.9%
EPSS 10.9% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

Format string vulnerability in the auth_debug function in Courier-IMAP 1.6.0 through 2.2.1 and 3.x through 3.0.3, when login debugging (DEBUG_LOGIN) is enabled, allows remote attackers to execute arbitrary code.

Patch / fix

  • courier Debian 14, Debian 13, Debian 12 0.45.6-1

debian advisories DEBIAN-CVE-2004-0777

Timeline

  1. Published
  2. First public exploit (EDB-432)

Exploit prediction

10.91% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-432 Courier-IMAP 3.0.2-r1 - 'auth_debug()' Remote Format String remote, 2004-09-02

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-134 Use of Externally-Controlled Format String

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.