CVE-2022-48570

7.5 highEPSS 1.0%

High (7.5) in cryptopp crypto\+\+. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-08-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cryptopp:crypto\+\+

References

https://github.com/weidai11/cryptopp/issues/992
https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0
https://github.com/weidai11/cryptopp/issues/992
https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0

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