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.


https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48570
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.
2023-08-22T19:16:32Z

Source: CVEAnnouncements
Source Link: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48570