{"action":"Upgrade pidgin to 2.10.2-1 or later.","affected":[{"fixed":"2.10.2-1","introduced":"0"}],"component":"pidgin","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.10.2-1"],"id":"tcs_01M5N9XVTGQ082M391X2WK7W80","modified_at":"2026-10-23T17:47:26.553995785Z","published_at":"2012-03-15T10:55:01.273Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-4939","https://security-tracker.debian.org/tracker/CVE-2011-4939"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-4939","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-4939"}],"summary":"The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickn"}