{"id":"DEBIAN-CVE-2022-48570","details":"Crypto++ through 8.4 contains a timing side channel in ECDSA signature generation. Function FixedSizeAllocatorWithCleanup could write to memory outside of the allocation if the allocated memory was not 16-byte aligned. NOTE: this issue exists because the CVE-2019-14318 fix was intentionally removed for functionality reasons.","modified":"2026-09-01T20:04:50.299582904Z","published":"2023-08-22T19:16:32.157Z","upstream":["CVE-2022-48570"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-48570"}],"affected":[{"package":{"name":"libcrypto++","ecosystem":"Debian:12","purl":"pkg:deb/debian/libcrypto%2B%2B?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.7.0+git220824-1","8.8.0-1","8.8.0-2","8.9.0-1","8.9.0-1.1","8.9.0-1.1~exp1","8.9.0-2","8.9.0-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Debian:13","purl":"pkg:deb/debian/libcrypto%2B%2B?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Debian:14","purl":"pkg:deb/debian/libcrypto%2B%2B?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48570.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}