{"cve":"CVE-2018-18520","nvd":{"published":"2018-10-19T17:29:00.767","modified":"2026-06-17T01:47:27.007","status":"Modified","description":"An Invalid Memory Address Dereference exists in the function elf_end in libelf in elfutils through v0.174. Although eu-size is intended to support ar files inside ar files, handle_ar in size.c closes the outer ar file before handling all inner entries. The vulnerability allows attackers to cause a denial of service (application crash) with a crafted ELF file.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-119"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html","https://access.redhat.com/errata/RHSA-2019:2197","https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html","https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html","https://sourceware.org/bugzilla/show_bug.cgi?id=23787"],"products":["canonical:ubuntu_linux","debian:debian_linux","elfutils_project:elfutils","opensuse:leap","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-18520","score":0.02791,"percentile":0.86425,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}