CVE-2019-1000020

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.

• CWE-835

• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlMailing List, Third Party Advisory
• 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-2019:2298Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:3698
• https://github.com/libarchive/libarchive/pull/1120Third Party Advisory
• https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/02/msg00013.htmlThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
• https://usn.ubuntu.com/3884-1/Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlMailing List, Third Party Advisory
• 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-2019:2298Third Party Advisory
• https://access.redhat.com/errata/RHSA-2019:3698
• https://github.com/libarchive/libarchive/pull/1120Third Party Advisory
• https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/02/msg00013.htmlThird Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
• https://usn.ubuntu.com/3884-1/Third Party Advisory

Published

Feb 4, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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