{"id":"DEBIAN-CVE-2026-49940","details":"Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks.  Unicode digits such as the Arabic-Indic One (U+0661) were accepted but not properly parsed as numbers.  This could allow network masks to accept larger networks.","modified":"2026-06-15T19:06:30.247595396Z","published":"2026-06-04T17:16:33.053Z","upstream":["CVE-2026-49940"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-49940"}],"affected":[{"package":{"name":"libnet-cidr-set-perl","ecosystem":"Debian:11","purl":"pkg:deb/debian/libnet-cidr-set-perl?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13-3","0.13-4","0.13-5","0.15-1","0.19-1","0.20-1","0.21-1","0.22-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49940.json"}},{"package":{"name":"libnet-cidr-set-perl","ecosystem":"Debian:12","purl":"pkg:deb/debian/libnet-cidr-set-perl?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.13-4","0.13-5","0.15-1","0.19-1","0.20-1","0.21-1","0.22-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49940.json"}},{"package":{"name":"libnet-cidr-set-perl","ecosystem":"Debian:13","purl":"pkg:deb/debian/libnet-cidr-set-perl?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.15-1","0.19-1","0.20-1","0.21-1","0.22-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49940.json"}},{"package":{"name":"libnet-cidr-set-perl","ecosystem":"Debian:14","purl":"pkg:deb/debian/libnet-cidr-set-perl?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.21-1"}]}],"versions":["0.15-1","0.19-1","0.20-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-49940.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}