CVE-2016-8689

HIGH 7.5CVE-2016-8689 · Published 15/02/2017 · updated 17/06/2026

In short

CVE-2016-8689 is a HIGH (CVSS 7.5) vulnerability affecting libarchive (libarchive).
Chance of exploitation in the next 30 days (EPSS): 3.3%, higher than 88.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
libarchive libarchive	`= 3.2.1`	No fix yet

Description

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.

References

lists.opensuse.org/opensuse-updates/2016-12/msg00027.html · Third Party Advisory
openwall.com/lists/oss-security/2016/10/16/11 · Mailing List
securityfocus.com/bid/93781 · Third Party Advisory
blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c · Patch
bugzilla.redhat.com/show_bug.cgi · Issue Tracking
libarchive/libarchive commit 7f17c79 · Issue Tracking
lists.debian.org/debian-lts-announce/2018/11/msg00037.html
security.gentoo.org/glsa/201701-03 · Patch

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Package

Affected versions

Patched versions

libarchive

= 3.2.1

No fix yet

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