What’s Vulnerable › Vulnerabilities

CVE-2016-8689

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-15 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• libarchive: 3.2.1
• openSUSE Leap: 42.2

References

• http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html
• http://www.openwall.com/lists/oss-security/2016/10/16/11
• http://www.securityfocus.com/bid/93781
• https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/
• https://bugzilla.redhat.com/show_bug.cgi?id=1377925
• https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126
• https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
• https://security.gentoo.org/glsa/201701-03
• http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html
• http://www.openwall.com/lists/oss-security/2016/10/16/11
• http://www.securityfocus.com/bid/93781
• https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/

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