CVE-2007-4391

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-08-17 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

yahoo Messenger: 8.1.0.413

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

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