CVE-2008-2240
CriticalPublic exploitStack-based buffer overflow in the Web Server service in IBM Lotus Domino before 7.0.3 FP1, and 8.x before 8.0.1, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long Accept-Language HTTP header.
Published May 22, 2008 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2008-2240 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Lotus Domino (Ibm).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 65% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
65%
Higher than 99.2% 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-2008-2240 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Stack-based buffer overflow in the Web Server service in IBM Lotus Domino before 7.0.3 FP1, and 8.x before 8.0.1, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long Accept-Language HTTP header.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Lotus DominoIbm | 6.0, 6.5, 7.0, 8.0, 8.0.1 | n/a |
Timeline
Publicly disclosed
May 22, 2008
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory30310
- advisory30332
- patchhttp://www-1.ibm.com/support/docview.wss?uid=swg21303057
- patchhttp://www.mwrinfosecurity.com/publications/mwri_ibm-lotus-domino-accept-language-stack-overflow_2008-05-20.pdf
- exploitMSF domino_http_accept_language.rb
FAQ
Common Questions.
Stack-based buffer overflow in the Web Server service in IBM Lotus Domino before 7.0.3 FP1, and 8.x before 8.0.1, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long Accept-Language HTTP header.
Affected: Lotus Domino (Ibm) versions 6.0, 6.5, 7.0, 8.0, 8.0.1. 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.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2008-2240 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo