Medium severity5.9OSV Advisory· Published Sep 12, 2025· Updated Apr 15, 2026
CVE-2025-59058
CVE-2025-59058
Description
httpsig-rs is a Rust implementation of IETF RFC 9421 http message signatures. Prior to version 0.0.19, the HMAC signature comparison is not timing-safe. This makes anyone who uses HS256 signature verification vulnerable to a timing attack that allows the attacker to forge a signature. Version 0.0.19 fixes the issue.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
httpsigcrates.io | < 0.0.19 | 0.0.19 |
Affected products
2- Range: 0.0.1, 0.0.10, 0.0.11, …
Patches
Vulnerability mechanics
References
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