CVE-2022-48570
highpriority · track · 30EPSS 0.010 · 63 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-48570/cnnvd
- https://github.com/weidai11/cryptopp/issues/992cnnvd
- https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0cnnvd
- https://github.com/weidai11/cryptopp/issues/992enisa_euvd
- https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0enisa_euvd
- https://github.com/weidai11/cryptopp/issues/992ExploitIssue TrackingPatchVendor Advisorynvd
- https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_8_4_0Release Notesnvd
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