{"id":"CVE-2021-33294","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33294","generatedAt":"2026-10-27T21:19:49.704Z","title":"In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.","description":"In elfutils 0.183, an infinite loop was found in the function handle_symtab in readelf.c .Which allows attackers to cause a denial of service (infinite loop) via crafted file.","published":"2023-07-18T14:15:12.000Z","lastModified":"2026-10-14T12:17:12.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-835"],"affected":["elfutils project/elfutils"],"epss":{"score":0.00334,"percentile":0.26495,"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":"low","text":"Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=27501","tags":["Exploit","Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.html","tags":["Mailing List","Patch"],"source":"cve@mitre.org"},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=27501","tags":["Exploit","Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://sourceware.org/pipermail/elfutils-devel/2021q1/003607.html","tags":["Mailing List","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33294","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."}