{"id":"CVE-2018-18521","details":"Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.","modified":"2026-08-28T11:30:33.090681128Z","published":"2018-10-19T17:29:00.873Z","related":["SUSE-SU-2019:1486-1","SUSE-SU-2019:1733-1","SUSE-SU-2022:2614-1","SUSE-SU-2022:2614-2","openSUSE-SU-2019:1590-1"],"database_specific":{"unresolved_ranges":[{"vendor_product":"canonical:ubuntu_linux","cpes":["cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"18.10"},{"last_affected":"18.10"}],"source":"CPE_STRING"},{"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"]},{"cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*","cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"},{"introduced":"15.1"},{"last_affected":"15.1"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"},{"vendor_product":"redhat:enterprise_linux_desktop","cpes":["cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_server"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"source":"CPE_STRING","vendor_product":"redhat:enterprise_linux_workstation"}]},"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2197"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4012-1/"},{"type":"REPORT","url":"https://sourceware.org/bugzilla/show_bug.cgi?id=23786"},{"type":"FIX","url":"https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://sourceware.org/git/elfutils.git","events":[{"introduced":"52b6b2f1f49e7385527e9f311f248092be0c0b61"},{"last_affected":"52b6b2f1f49e7385527e9f311f248092be0c0b61"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:elfutils_project:elfutils:0.174:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.174"},{"last_affected":"0.174"}]}}],"versions":["0.174","elfutils-0.174"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-18521.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"}]}