{"id":"UBUNTU-CVE-2019-5721","details":"In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.","modified":"2025-07-16T08:14:40.660757Z","published":"2019-01-08T23:29:00Z","withdrawn":"2025-07-18T16:44:59Z","upstream":["CVE-2019-5721"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5721"},{"type":"REPORT","url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14470"},{"type":"REPORT","url":"https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe"},{"type":"REPORT","url":"https://www.wireshark.org/security/wnpa-sec-2019-05.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-5721"}],"affected":[{"package":{"name":"wireshark","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/wireshark@2.6.5-1~ubuntu14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.5-1~ubuntu14.04.1"}]}],"versions":["1.10.2-1","1.10.3-1","1.10.5-1ubuntu1","1.10.5-2","1.10.6-1","1.12.1+g01b65bf-4+deb8u11ubuntu0.14.04.1","2.6.3-1~ubuntu14.04.1","2.6.4-2~ubuntu14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwireshark-data"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwireshark-dev"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwireshark11"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwireshark11-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwiretap-dev"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwiretap8"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwiretap8-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwscodecs2"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwscodecs2-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwsutil-dev"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwsutil9"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"libwsutil9-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"tshark"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"tshark-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-common"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-common-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-dev"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-doc"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-gtk"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-gtk-dbgsym"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-qt"},{"binary_version":"2.6.5-1~ubuntu14.04.1","binary_name":"wireshark-qt-dbgsym"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5721.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}