CVE-2007-4391 EXPLOIT
9.3
HIGH · CVSS 2.0 · EPSS 9.3% (pctl 95)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 9.3 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 9.31% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2007-08-17 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| yahoo | messenger |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Yahoo! Messenger 8.1.0.413 - 'webcam' Remote Crash | 2007-08-29 |
| exploit-db | Yahoo! Messenger 8.1 - 'KDU_V32M.DLL' Remote Denial of Service | 2007-08-15 |
References
- http://osvdb.org/38221
- http://secunia.com/advisories/26501
- http://www.avertlabs.com/research/blog/index.php/2007/08/15/more-on-the-yahoo-messenger-webcam-0day/
- http://www.kb.cert.org/vuls/id/515968
- http://www.securityfocus.com/bid/25330
- http://www.securitytracker.com/id?1018586
- http://www.team509.com/expyahoo.rar
- http://www.vupen.com/english/advisories/2007/2917
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36115
- https://www.xfocus.net/bbs/index.php?act=ST&f=2&t=64639&page=1#entry321749
- http://osvdb.org/38221
- http://secunia.com/advisories/26501
- http://www.avertlabs.com/research/blog/index.php/2007/08/15/more-on-the-yahoo-messenger-webcam-0day/
- http://www.kb.cert.org/vuls/id/515968
- http://www.securityfocus.com/bid/25330
- http://www.securitytracker.com/id?1018586
- http://www.team509.com/expyahoo.rar
- http://www.vupen.com/english/advisories/2007/2917
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36115
- https://www.xfocus.net/bbs/index.php?act=ST&f=2&t=64639&page=1#entry321749
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