CVE-2007-4391
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote...
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote attackers to cause a denial of service (application crash) via a certain length field in JPEG2000 data, as demonstrated by sending an "invite to view my webcam" request, and then injecting a DLL into the attacker's peer Yahoo! Messenger application when this request is accepted.
Exploit likelihood
What each source reports
NVD Score used
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote attackers to cause a denial of service (application crash) via a certain length field in JPEG2000 data, as demonstrated by sending an "invite to view my webcam" request, and then injecting a DLL into the attacker's peer Yahoo! Messenger application when this request is accepted.
- Record
CVE-2007-4391- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-20, CWE-119
- Updated
- 2026-11-02
CVE List No score
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote attackers to cause a denial of service (application crash) via a certain length field in JPEG2000 data, as demonstrated by sending an "invite to view my webcam" request, and then injecting a DLL into the attacker's peer Yahoo! Messenger application when this request is accepted.
- Record
CVE-2007-4391- Updated
- 2026-11-02
EUVDEUVD-2007-4374 No score
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote attackers to cause a denial of service (application crash) via a certain length field in JPEG2000 data, as demonstrated by sending an "invite to view my webcam" request, and then injecting a DLL into the attacker's peer Yahoo! Messenger application when this request is accepted.
- Record
EUVD-2007-4374- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7xvp-h8mg-2vfg No score
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote...
Heap-based buffer overflow in Kakadu kdu_v32m.dll in Yahoo! Messenger 8.1.0.413 allows remote attackers to cause a denial of service (application crash) via a certain length field in JPEG2000 data, as demonstrated by sending an "invite to view my webcam" request, and then injecting a DLL into the attacker's peer Yahoo! Messenger application when this request is accepted.
- Record
GHSA-7xvp-h8mg-2vfg- Weakness
- CWE-20, CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Yahoo! Messenger 8.1 - 'KDU_V32M.DLL' Remote Denial of Service | 2007-08-15 |
| Exploit-DB | Yahoo! Messenger 8.1.0.413 - 'webcam' Remote Crash | 2007-08-29 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, exploits, facts, references, title | Exploit-DB, GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-4391 is a high vulnerability (CVSS 9.3) in Yahoo Messenger, published August 17, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.31%, the 95th percentile. No source names a fixed version.