{"id":"CVE-2007-5226","aliases":["DEBIAN-CVE-2007-5226","EUVD-2007-5206","GHSA-74j2-36vh-4f5f"],"status":"published","title":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service ...","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01694,"percentile":0.77276,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2007-10-05T21:00:00Z","modified":"2026-10-21T17:47:36Z","fixes":[{"ecosystem":"Debian:12","package":"dircproxy","fixed_in":["1.0.5-5.1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"dircproxy","fixed_in":["1.0.5-5.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"dircproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-5.1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"dircproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.5-5.1"}]}]}],"products":[{"vendor":"dircproxy","product":"dircproxy"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=319301","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://dircproxy.securiweb.net/ticket/89","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5226"},{"url":"https://github.com/advisories/GHSA-74j2-36vh-4f5f"},{"url":"https://security-tracker.debian.org/tracker/CVE-2007-5226","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2007-5226","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","status":"published","published":"2007-10-05T21:00:00Z","modified":"2024-08-07T15:24:41.839Z","updated_at":"2026-11-02T13:32:11.910312Z"}],"euvd":[{"id":"EUVD-2007-5206","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","status":"published","published":"2007-10-05T21:00:00Z","modified":"2024-08-07T15:24:41Z","updated_at":"2026-11-03T01:16:18.260819Z"}],"ghsa":[{"id":"GHSA-74j2-36vh-4f5f","title":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service ...","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","status":"published","published":"2022-05-01T18:31:14Z","modified":"2023-01-31T05:04:40Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:48:42.977051Z"}],"nvd":[{"id":"CVE-2007-5226","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","status":"published","published":"2007-10-05T21:17:00Z","modified":"2026-06-16T22:45:41.017Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:21.141213Z"}],"osv":[{"id":"CVE-2007-5226","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","status":"published","published":"2007-10-05T21:17:00Z","modified":"2026-04-10T03:39:16.673789Z","updated_at":"2026-11-02T15:43:57.178433Z"},{"id":"DEBIAN-CVE-2007-5226","description":"irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.","status":"published","published":"2007-10-05T21:17:00Z","modified":"2026-10-21T17:47:36.245276053Z","updated_at":"2026-11-02T15:45:23.411908Z"}]}}