CVE-2010-0420

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-02-24 · updated 2026-06-16
Weakness: CWE-20

Description

libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.

Affected products

Pidgin: through 2.6.5; 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.2.0 (+22)

References

http://developer.pidgin.im/wiki/ChangeLog
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035332.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035347.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035409.html
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
http://pidgin.im/news/security/?id=44
http://secunia.com/advisories/38563
http://secunia.com/advisories/38640
http://secunia.com/advisories/38658
http://secunia.com/advisories/38712
http://secunia.com/advisories/38915
http://secunia.com/advisories/39509

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