CVE-2006-6424
CriticalPublic exploitMultiple buffer overflows in Novell NetMail before 3.52e FTF2 allow remote attackers to execute arbitrary code (1) by appending literals to certain IMAP verbs when specifying command continuation requests to IMAPD, resulting in a heap overflow; and (2) via crafted arguments to…
Published Dec 26, 2006 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2006-6424 is a critical-severity vulnerability (CVSS 9.0 v2) affecting Netmail (Novell).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 60% probability of exploitation in the next 30 days.
- Fixed versions are available, including Netmail 3.5.2.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
9.0
AV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
60%
Higher than 99.1% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2006-6424 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Multiple buffer overflows in Novell NetMail before 3.52e FTF2 allow remote attackers to execute arbitrary code (1) by appending literals to certain IMAP verbs when specifying command continuation requests to IMAPD, resulting in a heap overflow; and (2) via crafted arguments to the STOR command to the Network Messaging Application Protocol (NMAP) daemon, resulting in a stack overflow.
Affected Products
16 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| NetmailNovell | 3.0.1, 3.0.3a-a, 3.0.3a-b, 3.1, 3.10, 3.10-a, 3.10-b, 3.10-c | 3.5.2 |
Patched Releases
Netmail
3.5.2
Timeline
Publicly disclosed
Dec 26, 2006
Last updated
Apr 22, 2026
References
- patch23437
- patch1017437
- patchhttps://secure-support.novell.com/KanisaPlatform/Publishing/134/3096026_f.SAL_Public.html
- patchhttp://www.cirt.dk/advisories/cirt-48-advisory.txt
- patchhttp://www.zerodayinitiative.com/advisories/ZDI-06-052.html
FAQ
Common Questions.
Multiple buffer overflows in Novell NetMail before 3.52e FTF2 allow remote attackers to execute arbitrary code (1) by appending literals to certain IMAP verbs when specifying command continuation requests to IMAPD, resulting in a heap overflow; and (2) via crafted arguments to the STOR command to the Network Messaging…
Affected: Netmail (Novell) versions 3.0.1, 3.0.3a-a, 3.0.3a-b, 3.1, 3.10, 3.10-a, 3.10-b, 3.10-c. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Netmail 3.5.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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