CVE-2007-4999

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: 2007-10-29 · updated 2026-06-16
Weakness: CWE-20

Description

libpurple in Pidgin 2.1.0 through 2.2.1, when using HTML logging, allows remote attackers to cause a denial of service (NULL dereference and application crash) via a message that contains invalid HTML data, a different vector than CVE-2007-4996.

Affected products

Pidgin: 2.1.0, 2.2.0, 2.2.1

References

http://osvdb.org/38695
http://secunia.com/advisories/27372
http://secunia.com/advisories/27495
http://secunia.com/advisories/27858
http://www.pidgin.im/news/security/?id=24
http://www.securityfocus.com/archive/1/483580/100/0/threaded
http://www.securityfocus.com/bid/26205
http://www.ubuntu.com/usn/usn-548-1
http://www.vupen.com/english/advisories/2007/3624
https://exchange.xforce.ibmcloud.com/vulnerabilities/38132
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18357
https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00011.html

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