{"id":"UBUNTU-CVE-2025-40928","details":"JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact","modified":"2026-05-20T16:23:24.502142610Z","published":"2025-09-08T15:15:00Z","related":["USN-7750-1"],"upstream":["CVE-2025-40928"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-40928"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-40928"},{"type":"REPORT","url":"https://lists.security.metacpan.org/cve-announce/msg/32608909/"},{"type":"REPORT","url":"https://security.metacpan.org/patches/J/JSON-XS/4.03/CVE-2025-40928-r1.patch"},{"type":"REPORT","url":"https://metacpan.org/release/MLEHMANN/JSON-XS-4.03/source/XS.xs#L256"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7750-1"}],"affected":[{"package":{"name":"libjson-xs-perl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libjson-xs-perl?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.340-1","2.340-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.340-1build1","binary_name":"libjson-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40928.json"}},{"package":{"name":"libjson-xs-perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libjson-xs-perl?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.010-2","3.010-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libjson-xs-perl","binary_version":"3.010-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40928.json"}},{"package":{"name":"libjson-xs-perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libjson-xs-perl?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.030-1build1","3.040-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libjson-xs-perl","binary_version":"3.040-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40928.json"}},{"package":{"name":"libjson-xs-perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libjson-xs-perl?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.020-1","4.020-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.020-1build1","binary_name":"libjson-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40928.json"}},{"package":{"name":"libjson-xs-perl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libjson-xs-perl?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.040-0ubuntu0.22.04.1"}]}],"versions":["4.030-1build2","4.030-1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libjson-xs-perl","binary_version":"4.040-0ubuntu0.22.04.1"}],"availability":"No 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required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40928.json"}},{"package":{"name":"libjson-xs-perl","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libjson-xs-perl?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.040-1"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.040-1","binary_name":"libjson-xs-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40928.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}