High severity7.5NVD Advisory· Published Aug 22, 2023· Updated Jun 17, 2026
CVE-2022-48570
CVE-2022-48570
Description
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.
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Affected products
2- Crypto++/Crypto++description
Patches
Vulnerability mechanics
References
2- github.com/weidai11/cryptopp/issues/992nvdExploitIssue TrackingPatchVendor Advisory
- github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0nvdRelease Notes
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