{"cve":"CVE-2016-1000342","nvd":{"published":"2018-06-04T13:29:00.387","modified":"2026-06-17T00:38:51.537","status":"Modified","description":"In the Bouncy Castle JCE Provider version 1.55 and earlier ECDSA does not fully validate ASN.1 encoding of signature on verification. It is possible to inject extra elements in the sequence making up the signature and still have it validate, which in some cases may allow the introduction of 'invisible' data into a signed structure.","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":["https://access.redhat.com/errata/RHSA-2018:2669","https://access.redhat.com/errata/RHSA-2018:2927","https://github.com/bcgit/bc-java/commit/843c2e60f67d71faf81d236f448ebbe56c62c647#diff-25c3c78db788365f36839b3f2d3016b9","https://lists.debian.org/debian-lts-announce/2018/07/msg00009.html","https://security.netapp.com/advisory/ntap-20181127-0004/"],"products":["bouncycastle:bc-java","debian:debian_linux"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2016-1000342","score":0.01826,"percentile":0.7882,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qcj7-g2j5-g7r3","url":"https://osv.dev/vulnerability/GHSA-qcj7-g2j5-g7r3","summary":"In Bouncy Castle JCE Provider ECDSA does not fully validate ASN.1 encoding of signature on verification","modified":"2025-09-02T21:09:14.819658Z","packages":[{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk14","purl":"pkg:maven/org.bouncycastle/bcprov-jdk14","ranges":["<1.56"],"fixed":["1.56"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15","purl":"pkg:maven/org.bouncycastle/bcprov-jdk15","ranges":["<1.56"],"fixed":["1.56"]},{"ecosystem":"Maven","name":"org.bouncycastle:bcprov-jdk15on","purl":"pkg:maven/org.bouncycastle/bcprov-jdk15on","ranges":["<1.56"],"fixed":["1.56"]}]}],"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."]}