{"id":"CVE-2019-3994","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-3994","generatedAt":"2026-10-27T23:27:35.502Z","title":"ELOG 3.1.4-57bea22 and below is affected by a denial of service vulnerability due to a use after free.","description":"ELOG 3.1.4-57bea22 and below is affected by a denial of service vulnerability due to a use after free. A remote unauthenticated attacker can crash the ELOG server by sending multiple HTTP POST requests which causes the ELOG function retrieve_url() to use a freed variable.","published":"2019-12-17T22:15:11.000Z","lastModified":"2026-06-17T02:36:01.000Z","status":"Modified","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-416"],"affected":["elog project/elog","fedoraproject/fedora"],"epss":{"score":0.03278,"percentile":0.88341,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2IN3FP6VXYSD4OMUCFZNOL7MKPWRQFAL/","source":"vulnreport@tenable.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4IAS4HI24H2ERKBZTDEVJ3LEQEFWYSCT/","source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2019-53","tags":["Exploit","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2IN3FP6VXYSD4OMUCFZNOL7MKPWRQFAL/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4IAS4HI24H2ERKBZTDEVJ3LEQEFWYSCT/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2019-53","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-3994","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}