{"id":"DEBIAN-CVE-2013-0238","details":"The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.","modified":"2026-09-01T20:03:11.311705935Z","published":"2013-02-13T01:55:04.090Z","upstream":["CVE-2013-0238"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2013-0238"}],"affected":[{"package":{"name":"ircd-hybrid","ecosystem":"Debian:12","purl":"pkg:deb/debian/ircd-hybrid?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.2.2.dfsg.2-10"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-0238.json"}},{"package":{"name":"ircd-hybrid","ecosystem":"Debian:13","purl":"pkg:deb/debian/ircd-hybrid?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.2.2.dfsg.2-10"}]}],"ecosystem_specific":{"urgency":"high"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-0238.json"}}],"schema_version":"1.9.0"}