{"id":"UBUNTU-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":"2026-05-20T16:06:48.125412640Z","published":"2023-08-22T19:16:00Z","upstream":["CVE-2022-48570"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-48570"},{"type":"REPORT","url":"https://github.com/weidai11/cryptopp/issues/992"},{"type":"REPORT","url":"https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-48570"}],"affected":[{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-6","5.6.1-6+deb8u1build0.14.04.1","5.6.1-6+deb8u3build0.14.04.1","5.6.1-6+deb8u3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.1-6+deb8u3ubuntu0.1~esm1"},{"binary_name":"libcrypto++9","binary_version":"5.6.1-6+deb8u3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.1-8","5.6.1-9","5.6.1-9ubuntu0.1","5.6.1-9ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.1-9ubuntu0.1+esm1"},{"binary_name":"libcrypto++9v5","binary_version":"5.6.1-9ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-8"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.4-8"},{"binary_name":"libcrypto++6","binary_version":"5.6.4-8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.4-9","5.6.4-9build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"5.6.4-9build1"},{"binary_name":"libcrypto++6","binary_version":"5.6.4-9build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.0-1","8.6.0-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"8.6.0-2ubuntu1"},{"binary_name":"libcrypto++8","binary_version":"8.6.0-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.8.0-1","8.9.0-1","8.9.0-1.1","8.9.0-1.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"8.9.0-1.1build1"},{"binary_name":"libcrypto++8t64","binary_version":"8.9.0-1.1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-1.1build1","8.9.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"8.9.0-2"},{"binary_name":"libcrypto++8t64","binary_version":"8.9.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}},{"package":{"name":"libcrypto++","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libcrypto%2B%2B?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.9.0-2","8.9.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcrypto++-utils","binary_version":"8.9.0-2build1"},{"binary_name":"libcrypto++8t64","binary_version":"8.9.0-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-48570.json"}}],"schema_version":"1.7.5","severity":[{"typ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