{"cve":"CVE-2016-9963","nvd":{"published":"2017-02-01T15:59:00.270","modified":"2026-06-17T00:56:51.020","status":"Modified","description":"Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-320"],"references":["http://www.debian.org/security/2016/dsa-3747","http://www.exim.org/static/doc/CVE-2016-9963.txt","http://www.securityfocus.com/bid/94947","http://www.securitytracker.com/id/1037484","http://www.ubuntu.com/usn/USN-3164-1"],"products":["canonical:ubuntu_linux","debian:debian_linux","exim:exim"],"source":"nvd","synced_at":"2026-10-19T20:41:25.729257544+00:00"},"epss":{"cve":"CVE-2016-9963","score":0.03098,"percentile":0.87746,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}