{"action":"Upgrade pidgin to 2.10.0-1 or later.","affected":[{"fixed":"2.10.0-1","introduced":"0"}],"component":"pidgin","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.10.0-1"],"id":"tcs_01M5N9TTP615C8GNEWAWK68F2M","modified_at":"2026-10-23T17:47:33.757727306Z","published_at":"2011-08-29T17:55:00.957Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-2943","https://security-tracker.debian.org/tracker/CVE-2011-2943"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-2943","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-2943"}],"summary":"The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted re"}