{"cve":"CVE-2025-59058","nvd":{"published":"2025-09-12T14:15:41.773","modified":"2026-06-17T09:45:31.167","status":"Deferred","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","score":5.9},"cwes":["CWE-208"],"references":["https://github.com/junkurihara/httpsig-rs/commit/fc095b6ce6043bb808f5d9c4379cf697899cb458","https://github.com/junkurihara/httpsig-rs/security/advisories/GHSA-q7pg-9pr4-mrp2"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2025-59058","score":0.00283,"percentile":0.20822,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-q7pg-9pr4-mrp2","url":"https://osv.dev/vulnerability/GHSA-q7pg-9pr4-mrp2","summary":"httpsig-rs: HMAC verification is vulnerable to timing attack","modified":"2025-09-12T22:13:24.081949Z","packages":[{"ecosystem":"crates.io","name":"httpsig","purl":"pkg:cargo/httpsig","ranges":["<0.0.19"],"fixed":["0.0.19"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}