{"id":"UBUNTU-CVE-2025-9817","details":"SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service","modified":"2026-01-20T19:39:08.713068Z","published":"2025-09-03T08:15:00Z","upstream":["CVE-2025-9817"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-9817"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-9817"},{"type":"REPORT","url":"https://www.wireshark.org/security/wnpa-sec-2025-03.html"},{"type":"REPORT","url":"https://gitlab.com/wireshark/wireshark/-/issues/20642"}],"affected":[{"package":{"name":"wireshark","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/wireshark@2.6.10-1~ubuntu14.04.0~esm3?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","2.6.5-1~ubuntu14.04.1","2.6.6-1~ubuntu14.04.0","2.6.8-1~ubuntu14.04.0~esm1","2.6.10-1~ubuntu14.04.0~esm1","2.6.10-1~ubuntu14.04.0~esm2","2.6.10-1~ubuntu14.04.0~esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"libwireshark-data","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwireshark-dev","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwireshark11","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwiretap-dev","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwiretap8","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwscodecs2","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwsutil-dev","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"libwsutil9","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"tshark","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"wireshark","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"wireshark-common","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"wireshark-dev","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"wireshark-gtk","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"},{"binary_name":"wireshark-qt","binary_version":"2.6.10-1~ubuntu14.04.0~esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9817.json"}},{"package":{"name":"wireshark","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/wireshark@2.6.10-1~ubuntu16.04.0+esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.7+g7fc8978-1","1.12.8+g5b6e543-2","2.0.1+g59ea380-3build1","2.0.2+ga16e22e-1","2.2.6+g32dac6a-2ubuntu0.16.04","2.6.3-1~ubuntu16.04.1","2.6.4-2~ubuntu16.04.0","2.6.5-1~ubuntu16.04.0","2.6.6-1~ubuntu16.04.0","2.6.8-1~ubuntu16.04.0","2.6.10-1~ubuntu16.04.0","2.6.10-1~ubuntu16.04.0+esm1","2.6.10-1~ubuntu16.04.0+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libwireshark-data","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwireshark-dev","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwireshark11","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwiretap-dev","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwiretap8","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwscodecs2","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwsutil-dev","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"libwsutil9","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"tshark","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"wireshark","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"wireshark-common","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"wireshark-dev","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"wireshark-gtk","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"},{"binary_name":"wireshark-qt","binary_version":"2.6.10-1~ubuntu16.04.0+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9817.json"}},{"package":{"name":"wireshark","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/wireshark@2.6.10-1~ubuntu18.04.0+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.2-1","2.4.3-1","2.4.4-1","2.4.5-1","2.6.3-1~ubuntu18.04.1","2.6.4-2~ubuntu18.04.0","2.6.5-1~ubuntu18.04.0","2.6.6-1~ubuntu18.04.0","2.6.8-1~ubuntu18.04.0","2.6.10-1~ubuntu18.04.0","2.6.10-1~ubuntu18.04.0+esm1","2.6.10-1~ubuntu18.04.0+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libwireshark-data","binary_version":"2.6.10-1~ubuntu18.04.0+esm2"},{"binary_name":"libwireshark-dev","binary_version":"2.6.10-1~ubuntu18.04.0+esm2"},{"binary_name":"libwireshark11","binary_version":"2.6.10-1~ubuntu18.04.0+esm2"},{"binary_name":"libwiretap-dev","binary_version":"2.6.10-1~ubuntu18.04.0+esm2"},{"binary_name":"libwiretap8","binary_vers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