{"cve":"CVE-2019-1000020","nvd":{"published":"2019-02-04T21:29:01.457","modified":"2026-06-17T02:09:29.410","status":"Modified","description":"libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 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-835"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html","http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html","http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html","https://access.redhat.com/errata/RHSA-2019:2298","https://access.redhat.com/errata/RHSA-2019:3698"],"products":["canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","libarchive:libarchive","opensuse:leap","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2019-1000020","score":0.03196,"percentile":0.8812,"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."]}