CVE-2007-4996

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-01 · updated 2026-06-16

Description

libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."

Affected products

Pidgin: 2.2.0

References

http://fedoranews.org/updates/FEDORA-2007-236.shtml
http://secunia.com/advisories/27010
http://secunia.com/advisories/27088
http://www.pidgin.im/news/security/?id=23
http://www.securityfocus.com/archive/1/481402/100/0/threaded
http://www.securityfocus.com/bid/25872
http://www.vupen.com/english/advisories/2007/3321
https://exchange.xforce.ibmcloud.com/vulnerabilities/36884
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261
http://fedoranews.org/updates/FEDORA-2007-236.shtml
http://secunia.com/advisories/27010
http://secunia.com/advisories/27088

Get alerted when CVE-2007-4996 or the next vulnerability affects your stack