CVE-2022-48570

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/weidai11/cryptopp/issues/992Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0Release Notes
https://github.com/weidai11/cryptopp/issues/992Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0Release Notes

Timeline

Published: Aug 22, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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