CVE-2016-8689

The read_Header function in archive_read_support_format_7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service (out-of-bounds read) via multiple EmptyStream attributes in a header in a 7zip archive.

• CWE-125

• http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.htmlThird Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/16/11Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/93781Third Party Advisory, VDB Entry
• https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/Patch, Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1377925Issue Tracking, Patch
• https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
• https://security.gentoo.org/glsa/201701-03Patch, Third Party Advisory, VDB Entry
• http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.htmlThird Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/16/11Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/93781Third Party Advisory, VDB Entry
• https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/Patch, Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=1377925Issue Tracking, Patch
• https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
• https://security.gentoo.org/glsa/201701-03Patch, Third Party Advisory, VDB Entry

Published

Feb 15, 2017

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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