{"schema_version":1,"title":"CPAN Net::IDN::Punycode vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in CPAN Net::IDN::Punycode: 5 in the last 7 days and 5 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-87079, was published on 22 September 2026.","url":"https://junglewise.ai/threats/technologies/net-idn-punycode","json_url":"https://junglewise.ai/threats/technologies/net-idn-punycode.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/net-idn-punycode","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":5,"critical":2,"exploited":0,"last_7_days":5,"last_30_days":5,"last_90_days":5,"last_365_days":5},"latest":[{"cve":"CVE-2026-87079","cvss":7.5,"epss":0.0063,"slug":"cve-2026-87079-net-idn-punycode-versions-before-2-590-for-perl-allow-cpu","title":"Net::IDN::Punycode CPU exhaustion via quadratic insertion cost","severity":"high","exploited":false,"published_at":"2026-09-22T08:16:40.637+00:00","url":"https://junglewise.ai/threats/cve-2026-87079-net-idn-punycode-versions-before-2-590-for-perl-allow-cpu"},{"cve":"CVE-2026-87078","cvss":9.1,"epss":0.0065,"slug":"cve-2026-87078-net-idn-punycode-versions-from-2-302-before-2-590-for-perl-leak","title":"Net::IDN::Punycode memory leak in decode_punycode","severity":"critical","exploited":false,"published_at":"2026-09-22T08:16:40.53+00:00","url":"https://junglewise.ai/threats/cve-2026-87078-net-idn-punycode-versions-from-2-302-before-2-590-for-perl-leak"},{"cve":"CVE-2026-74766","cvss":8.4,"epss":0.0019,"slug":"cve-2026-74766-net-idn-punycode-versions-from-2-301-before-2-590-for-perl-allow","title":"Net::IDN::Punycode heap use-after-free in decode_punycode","severity":"high","exploited":false,"published_at":"2026-09-22T08:16:40.267+00:00","url":"https://junglewise.ai/threats/cve-2026-74766-net-idn-punycode-versions-from-2-301-before-2-590-for-perl-allow"},{"cve":"CVE-2026-74765","cvss":6.5,"epss":0.0052,"slug":"cve-2026-74765-net-idn-punycode-versions-before-2-590-for-perl-allow-an-out-of","title":"Net::IDN::Punycode integer overflow in delta accumulator","severity":"medium","exploited":false,"published_at":"2026-09-22T08:16:40.143+00:00","url":"https://junglewise.ai/threats/cve-2026-74765-net-idn-punycode-versions-before-2-590-for-perl-allow-an-out-of"},{"cve":"CVE-2016-15059","cvss":9.8,"epss":0.0042,"slug":"cve-2016-15059-net-idn-punycode-versions-before-2-301-for-perl-allow-a-heap","title":"Net::IDN::Punycode heap buffer overflow in encode_punycode","severity":"critical","exploited":false,"published_at":"2026-09-22T08:16:34.52+00:00","url":"https://junglewise.ai/threats/cve-2016-15059-net-idn-punycode-versions-before-2-301-for-perl-allow-a-heap"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":2,"exploited":0,"vulnerabilities":5},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"CPAN Net::CIDR::Lite","slug":"net-cidr-lite","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/net-cidr-lite"},{"name":"CPAN YAML-Syck","slug":"yaml-syck","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/yaml-syck"}],"technology":{"hub":true,"name":"CPAN Net::IDN::Punycode","slug":"net-idn-punycode","vendor":{"name":"CPAN","slug":"cpan","url":"https://junglewise.ai/threats/vendors/cpan"},"aliases":[],"category":"library","description":"Perl library for encoding and decoding Internationalized Domain Names using Punycode.","url":"https://junglewise.ai/threats/technologies/net-idn-punycode"},"most_severe":[{"cve":"CVE-2016-15059","cvss":9.8,"epss":0.0042,"slug":"cve-2016-15059-net-idn-punycode-versions-before-2-301-for-perl-allow-a-heap","title":"Net::IDN::Punycode heap buffer overflow in encode_punycode","severity":"critical","exploited":false,"published_at":"2026-09-22T08:16:34.52+00:00","url":"https://junglewise.ai/threats/cve-2016-15059-net-idn-punycode-versions-before-2-301-for-perl-allow-a-heap"},{"cve":"CVE-2026-87078","cvss":9.1,"epss":0.0065,"slug":"cve-2026-87078-net-idn-punycode-versions-from-2-302-before-2-590-for-perl-leak","title":"Net::IDN::Punycode memory leak in decode_punycode","severity":"critical","exploited":false,"published_at":"2026-09-22T08:16:40.53+00:00","url":"https://junglewise.ai/threats/cve-2026-87078-net-idn-punycode-versions-from-2-302-before-2-590-for-perl-leak"},{"cve":"CVE-2026-74766","cvss":8.4,"epss":0.0019,"slug":"cve-2026-74766-net-idn-punycode-versions-from-2-301-before-2-590-for-perl-allow","title":"Net::IDN::Punycode heap use-after-free in decode_punycode","severity":"high","exploited":false,"published_at":"2026-09-22T08:16:40.267+00:00","url":"https://junglewise.ai/threats/cve-2026-74766-net-idn-punycode-versions-from-2-301-before-2-590-for-perl-allow"},{"cve":"CVE-2026-87079","cvss":7.5,"epss":0.0063,"slug":"cve-2026-87079-net-idn-punycode-versions-before-2-590-for-perl-allow-cpu","title":"Net::IDN::Punycode CPU exhaustion via quadratic insertion cost","severity":"high","exploited":false,"published_at":"2026-09-22T08:16:40.637+00:00","url":"https://junglewise.ai/threats/cve-2026-87079-net-idn-punycode-versions-before-2-590-for-perl-allow-cpu"},{"cve":"CVE-2026-74765","cvss":6.5,"epss":0.0052,"slug":"cve-2026-74765-net-idn-punycode-versions-before-2-590-for-perl-allow-an-out-of","title":"Net::IDN::Punycode integer overflow in delta accumulator","severity":"medium","exploited":false,"published_at":"2026-09-22T08:16:40.143+00:00","url":"https://junglewise.ai/threats/cve-2026-74765-net-idn-punycode-versions-before-2-590-for-perl-allow-an-out-of"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}