{"cve":"CVE-2019-9153","nvd":{"published":"2019-08-22T16:15:10.383","modified":"2026-06-17T02:43:09.697","status":"Modified","description":"Improper Verification of a Cryptographic Signature in OpenPGP.js <=4.1.2 allows an attacker to forge signed messages by replacing its signatures with a \"standalone\" or \"timestamp\" signature.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-347"],"references":["http://packetstormsecurity.com/files/154191/OpenPGP.js-4.2.0-Signature-Bypass-Invalid-Curve-Attack.html","https://github.com/openpgpjs/openpgpjs/pull/797/commits/327d3e5392a6f59a4270569d200c7f7a2bfc4cbc","https://github.com/openpgpjs/openpgpjs/pull/816","https://github.com/openpgpjs/openpgpjs/releases/tag/v4.2.0","https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-openpgp-js/"],"products":["openpgpjs:openpgpjs"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2019-9153","score":0.02013,"percentile":0.80885,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qwqc-28w3-fww6","url":"https://osv.dev/vulnerability/GHSA-qwqc-28w3-fww6","summary":"Message Signature Bypass in openpgp","modified":"2023-11-08T04:01:46.612755Z","packages":[{"ecosystem":"npm","name":"openpgp","purl":"pkg:npm/openpgp","ranges":["<4.2.0"],"fixed":["4.2.0"]}]}],"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."]}