{"id":"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":"2026-02-09T04:48:11.280138Z","published":"2023-08-22T19:16:32.157Z","references":[{"type":"ADVISORY","url":"https://github.com/weidai11/cryptopp/issues/992"},{"type":"ADVISORY","url":"https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0"},{"type":"REPORT","url":"https://github.com/weidai11/cryptopp/issues/992"},{"type":"FIX","url":"https://github.com/weidai11/cryptopp/issues/992"},{"type":"EVIDENCE","url":"https://github.com/weidai11/cryptopp/issues/992"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/weidai11/cryptopp","events":[{"introduced":"0"},{"fixed":"434e3189db61ff4ced13b47fe450a42b3c8cb676"}]}],"versions":["CRYPTOPP_5_0","CRYPTOPP_5_1","CRYPTOPP_5_2","CRYPTOPP_5_2_1","CRYPTOPP_5_2_3","CRYPTOPP_5_3_0","CRYPTOPP_5_4","CRYPTOPP_5_5","CRYPTOPP_5_5_1","CRYPTOPP_5_5_2","CRYPTOPP_5_6_0","CRYPTOPP_5_6_1","CRYPTOPP_5_6_2","CRYPTOPP_5_6_3","CRYPTOPP_5_6_4","CRYPTOPP_5_6_5","CRYPTOPP_6_0_0","CRYPTOPP_6_1_0","CRYPTOPP_7_0_0","CRYPTOPP_8_0_0","CRYPTOPP_8_1_0","CRYPTOPP_8_2_0","CRYPTOPP_8_3_0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48570.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}