{"id":"CVE-2020-24822","aliases":["DEBIAN-CVE-2020-24822","EUVD-2020-17531","GHSA-j77v-w798-qx52","UBUNTU-CVE-2020-24822"],"status":"published","title":"A vulnerability in the dwarf::cursor::uleb function of Libelfin v0.3 allows attackers to cause a...","description":"A vulnerability in the dwarf::cursor::uleb function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00727,"percentile":0.54503,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2021-08-04T14:52:25Z","modified":"2026-10-26T12:01:45Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libelfin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-3","0.3-3.1","0.3-3.1~exp1","0.3-3.1~exp2","0.3-4","0.3-5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libelfin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libelfin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-1","0.3-1ubuntu1","0.3-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libelfin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-2.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libelfin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3-3","0.3-3.1","0.3-3.1build1","0.3-3.1ubuntu1"]}],"products":[{"vendor":"libelfin_project","product":"libelfin"}],"references":[{"url":"https://github.com/aclements/libelfin/issues/50","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#segv-in-function-dwarfcursoruleb128-at-dwarfinternalhh154","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24822"},{"url":"https://github.com/advisories/GHSA-j77v-w798-qx52"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24822","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-24822","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24822","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-24822","description":"A vulnerability in the dwarf::cursor::uleb function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF 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