Skip to content
Fencer Vulns
critical 10.0

CVE-2007-5466 in the critical feed json

Multiple buffer overflows in eXtremail 2.1.1 and earlier allow remote attackers to (1) have an unknown impact by sending multiple long stri…

published 2007-10-15 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-5441

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
19.9%
EPSS 19.9% chance of exploitation in 30 days, percentile 97%
public exploits
3
Exploit-DB

Summary

Multiple buffer overflows in eXtremail 2.1.1 and earlier allow remote attackers to (1) have an unknown impact by sending multiple long strings to the IMAP port (143/tcp); (2) execute arbitrary code via a long string in an IMAP AUTHENTICATE PLAIN action, involving the ifParseAuthPlain function; (3) execute arbitrary code via a long LOGIN command to the admin interface port (4501/tcp); or (4) execute arbitrary code via a long string in an IMAP AUTHENTICATE LOGIN (aka CRAM-MD5 authentication) action, involving the ifProcImapAuth1 function.

Timeline

  1. First public exploit (EDB-4535)
  2. Published

Exploit prediction

19.89% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4535 eXtremail 2.1.1 - Remote Heap Overflow (PoC) dos, 2007-10-15
  • EDB-4534 eXtremail 2.1.1 - PLAIN Authentication Remote Stack Overflow remote, 2007-10-15
  • EDB-4533 eXtremail 2.1.1 - 'LOGIN' Remote Stack Overflow remote, 2007-10-15

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.