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

Detect and mitigate CVE-2025-59058 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →