{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86287", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-09-06T14:31:43.537Z", "datePublished": "2026-09-07T18:25:37.140Z", "dateUpdated": "2026-09-07T18:25:37.140Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Net::IP::LPM"], "packageName": "Net-IP-LPM", "packageURL": "pkg:cpan/Net-IP-LPM", "programFiles": ["lib/Net/IP/LPM.pm", "LPM.xs", "lpm_lib.c", "lpm_lib.h"], "programRoutines": [{"name": "Net::IP::LPM::add"}, {"name": "lpm_add_raw"}], "repo": "https://github.com/robrwo/perl-Net-IP-LPM", "versions": [{"lessThan": "1.12", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths.\n\nNon-numeric and non-ASCII prefix lengths are accepted and treated as 0. Integers over 31 bits are silently truncated. A single malformed mask will poison the lookup table.\n\nThe result is that the lookup will silently succeed for every address. An allow-list will allow every address, and a deny-list will block every address."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1287", "description": "CWE-1287 Improper Validation of Specified Type of Input", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-09-07T18:25:37.140Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/robrwo/perl-Net-IP-LPM/commit/814f8baa85537827db8c3b3d251e48db7aca318f.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/RRWO/Net-IP-LPM-1.12/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to Net::IP::LPM version 1.12 or later."}], "source": {"discovery": "UNKNOWN"}, "title": "Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Net::IP::LPM"], "packageName": "Net-IP-LPM", "packageURL": "pkg:cpan/Net-IP-LPM", "programFiles": ["lib/Net/IP/LPM.pm", "LPM.xs", "lpm_lib.c", "lpm_lib.h"], "programRoutines": [{"name": "Net::IP::LPM::add"}, {"name": "lpm_add_raw"}], "repo": "https://github.com/robrwo/perl-Net-IP-LPM", "versions": [{"lessThan": "1.12", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Net::IP::LPM versions before 1.12 for Perl accept malformed prefix lengths.\n\nNon-numeric and non-ASCII prefix lengths are accepted and treated as 0. Integers over 31 bits are silently truncated. A single malformed mask will poison the lookup table.\n\nThe result is that the lookup will silently succeed for every address. An allow-list will allow every address, and a deny-list will block every address."}], "id": "CVE-2026-86287", "lastModified": "2026-09-07T19:17:28.370", "metrics": {}, "published": "2026-09-07T19:17:28.370", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/robrwo/perl-Net-IP-LPM/commit/814f8baa85537827db8c3b3d251e48db7aca318f.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/RRWO/Net-IP-LPM-1.12/changes"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1287"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{}