CVE-2006-2659 json
libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving u…
published 2006-05-30 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-2658
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.
Patch / fix
- courier Debian 14, Debian 13, Debian 12 0.53.2-1
debian advisories DEBIAN-CVE-2006-2659
Exploit prediction
2.40% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
References
-
bugs.debian.org
/cgi-bin/bugreport.cgi?bug=368834
patch
-
courier-mta.org
/beta/patches/verp-fix/README.txt
patch
-
security.gentoo.org
/glsa/glsa-200608-06.xml
vendor-advisory
-
debian.org
/security/2006/dsa-1101
vendor-advisory
-
usn.ubuntu.com
/294-1/
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/26998
vdb-entry
-
securityfocus.com
/bid/18345
vdb-entry
-
secunia.com
/advisories/20548
third-party-advisory
-
secunia.com
/advisories/20519
third-party-advisory
-
secunia.com
/advisories/21350
third-party-advisory
-
vupen.com
/english/advisories/2006/2214
vdb-entry
-
secunia.com
/advisories/20792
third-party-advisory
-
securitytracker.com
/id?1016248
vdb-entry
Sources
- CVE List CVE-2006-2659
- NVD CVE-2006-2659
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.