Timing Attack Affecting httpsig package, versions <0.0.19
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUST-HTTPSIG-12997425
- published22 Sept 2025
- disclosed12 Sept 2025
- creditOleksii Shmalko
Introduced: 12 Sep 2025
CVE-2025-59058 (opens in a new tab)How to fix?
Upgrade httpsig to version 0.0.19 or higher.
Overview
Affected versions of this package are vulnerable to Timing Attack in the SharedKey::sign function. An attacker can potentially forge signatures by exploiting differences in processing time during HMAC signature verification.