CVE-2025-59058: httpsig-rs: HMAC verification is vulnerable to timing attack

September 12, 2025

HMAC signature comparison is not timing-safe and is vulnerable to timing attacks.

References

github.com/advisories/GHSA-q7pg-9pr4-mrp2
github.com/junkurihara/httpsig-rs
github.com/junkurihara/httpsig-rs/commit/fc095b6ce6043bb808f5d9c4379cf697899cb458
github.com/junkurihara/httpsig-rs/security/advisories/GHSA-q7pg-9pr4-mrp2
nvd.nist.gov/vuln/detail/CVE-2025-59058

Code Behaviors & Features

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