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    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.

    Published:Sep 15, 2016
    Last Modified:Apr 20, 2025
    EPS:Feb 15, 2017
    EPSS Score:0.01118
    CVSS Score:7.5

    Affected Products

    Vendor
    Libarchive
    Product
    Libarchive
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-16517 (CVSS 2.9) — A signed integer overflow vulnerability was found in libarchive's ZIP writer. In the archive_write_zip_header …
    CVE-2026-14164 (CVSS 7.5) — A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR…
    CVE-2026-5745 (CVSS 5.5) — A flaw was found in libarchive. A NULL pointer dereference vulnerability exists in the ACL parsing logic, spec…
    CVE-2026-5121 (CVSS 7.5) — A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs bloc…
    CVE-2026-4424 (CVSS 7.5) — A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processin…
    CVE-2026-4426 (CVSS 6.5) — A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, …
    CVE-2025-60753 (CVSS 5.5) — An issue was discovered in libarchive bsdtar before version 3.8.1 in function apply_substitution in file tar/s…
    CVE-2025-5916 (CVSS 3.9) — A vulnerability has been identified in the libarchive library. This flaw involves an integer overflow that can…
    CVE-2025-5918 (CVSS 3.9) — A vulnerability has been identified in the libarchive library. This flaw can be triggered when file streams ar…
    CVE-2025-5917 (CVSS 2.8) — A vulnerability has been identified in the libarchive library. This flaw involves an 'off-by-one' miscalculati…

    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/
    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High