{"id":"CVE-2020-21047","details":"The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.","modified":"2026-08-28T08:20:31.687741Z","published":"2023-08-22T19:16:09.657Z","references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html"},{"type":"WEB","url":"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=25068"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/elfutils.git","events":[{"introduced":"5643e037cb7a38ed5d52f50421be706ea8014e3d"},{"last_affected":"5643e037cb7a38ed5d52f50421be706ea8014e3d"}],"database_specific":{"extracted_events":[{"introduced":"0.177"},{"last_affected":"0.177"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*"}}],"versions":["0.177","elfutils-0.177"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21047.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}