{"id":"CVE-2026-49940","summary":"Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks","details":"Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks.\n\nUnicode 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":"2026-06-26T04:10:09.177268306Z","published":"2026-06-04T16:07:01.276Z","related":["openSUSE-SU-2026:10951-1"],"database_specific":{"cna_assigner":"CPANSec","cwe_ids":["CWE-1289"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49940.json"},"references":[{"type":"WEB","url":"https://cpan.org/modules"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49940.json"},{"type":"ADVISORY","url":"https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-40911"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49940"},{"type":"PACKAGE","url":"https://github.com/robrwo/perl-Net-CIDR-Set"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/robrwo/perl-net-cidr-set","events":[{"introduced":"0"},{"fixed":"c61d2f359f6b3a04af11bb64ee4c6d8d1c04504d"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:rrwo:net\\:\\:cidr\\:\\:set:*:*:*:*:*:perl:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"0.20"},{"introduced":"0"},{"fixed":"0.21"}]}}],"versions":["0.20","0.19","0.18","0.17","0.16","v0.15","v0.14","v0.13"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/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"}]}