{"id":"UBUNTU-CVE-2019-15553","details":"An issue was discovered in the memoffset crate before 0.5.0 for Rust. offset_of and span_of can cause exposure of uninitialized memory.","modified":"2026-05-20T16:03:28.664165355Z","published":"2019-08-26T15:15:00Z","upstream":["CVE-2019-15553"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-15553"},{"type":"REPORT","url":"https://github.com/Gilnaa/memoffset/issues/9#issuecomment-505461490"},{"type":"REPORT","url":"https://rustsec.org/advisories/RUSTSEC-2019-0011.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-15553"}],"affected":[{"package":{"name":"rust-memoffset","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/rust-memoffset?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.1-1","0.5.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-memoffset-dev","binary_version":"0.5.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-15553.json"}},{"package":{"name":"rust-memoffset","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/rust-memoffset?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.3-1","0.6.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.6.4-1","binary_name":"librust-memoffset-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-15553.json"}},{"package":{"name":"rust-memoffset","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/rust-memoffset?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.5-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-memoffset-dev","binary_version":"0.6.5-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-15553.json"}},{"package":{"name":"rust-memoffset","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/rust-memoffset?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-memoffset-dev","binary_version":"0.8.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-15553.json"}},{"package":{"name":"rust-memoffset","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/rust-memoffset?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.8.0-1","binary_name":"librust-memoffset-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-15553.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}