{"id":"UBUNTU-CVE-2019-3558","details":"Python Facebook Thrift servers would not error upon receiving messages with containers of fields of unknown type. As a result, malicious clients could send short messages which would take a long time for the server to parse, potentially leading to denial of service. This issue affects Facebook Thrift prior to v2019.02.18.00.","modified":"2026-04-22T11:57:14.118082Z","published":"2019-05-06T16:29:00Z","upstream":["CVE-2019-3558"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-3558"},{"type":"REPORT","url":"https://github.com/facebook/fbthrift/commit/c5d6e07588cd03061bc54d451a7fa6e84883d62b"},{"type":"REPORT","url":"https://www.facebook.com/security/advisories/cve-2019-3558"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-3558"}],"affected":[{"package":{"name":"hhvm","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/hhvm@3.11.1+dfsg-1ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.11.0+dfsg-1","3.11.1+dfsg-1","3.11.1+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.11.1+dfsg-1ubuntu1","binary_name":"hhvm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3558.json"}},{"package":{"name":"hhvm","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/hhvm@3.21.0+dfsg-2ubuntu2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.21.0+dfsg-2","3.21.0+dfsg-2build1","3.21.0+dfsg-2build2","3.21.0+dfsg-2build3","3.21.0+dfsg-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.21.0+dfsg-2ubuntu2","binary_name":"hhvm"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3558.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"}]}