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    CVE-2015-8934

    The copy_from_lzss_window function in archive_read_support_format_rar.c in libarchive 3.2.0 and earlier allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted rar file.

    Published:Jun 17, 2016
    Last Modified:Apr 12, 2025
    EPS:Sep 20, 2016
    EPSS Score:0.0241
    CVSS Score:5.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Libarchive
    Product
    Libarchive
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Server
    Vendor
    Suse
    Product
    Linux Enterprise Software Development Kit

    Exploits

    https://github.com/libarchive/libarchive/issues/521https://github.com/libarchive/libarchive/issues/521

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…
    CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…
    CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
    http://rhn.redhat.com/errata/RHSA-2016-1844.html
    http://www.debian.org/security/2016/dsa-3657
    http://www.openwall.com/lists/oss-security/2016/06/17/2
    http://www.openwall.com/lists/oss-security/2016/06/17/5
    http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.securityfocus.com/bid/91409
    http://www.ubuntu.com/usn/USN-3033-1
    https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
    https://github.com/libarchive/libarchive/issues/521
    https://security.gentoo.org/glsa/201701-03
    http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
    http://rhn.redhat.com/errata/RHSA-2016-1844.html
    http://www.debian.org/security/2016/dsa-3657
    http://www.openwall.com/lists/oss-security/2016/06/17/2
    http://www.openwall.com/lists/oss-security/2016/06/17/5
    http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.securityfocus.com/bid/91409
    http://www.ubuntu.com/usn/USN-3033-1
    https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
    https://github.com/libarchive/libarchive/issues/521
    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