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    CVE-2016-2334

    Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.

    Published:Dec 13, 2016
    Last Modified:Apr 12, 2025
    EPS:Dec 13, 2016
    EPSS Score:0.16299
    CVSS Score:7.8

    Affected Products

    Vendor
    7-zip
    Product
    7-zip
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Oracle
    Product
    Solaris

    Exploits

    http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.htmlhttp://www.talosintel.com/reports/TALOS-2016-0093/http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.htmlhttp://www.talosintel.com/reports/TALOS-2016-0093/https://github.com/icewall/CVE-2016-2334

    Related CVEs

    CVE-2026-14266 (CVSS 7.8) — 7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allo…
    CVE-2026-58052 (CVSS 4.8) — 7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, …
    CVE-2026-48112 (CVSS 6.5) — 7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-boun…
    CVE-2026-48111 (CVSS 4.3) — 7-Zip is a file archiver with a high compression ratio. Versions 9.21 through 26.00 contain an off-by-one out-…
    CVE-2026-48104 (CVSS 4.2) — 7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain an uninitialized h…
    CVE-2026-48103 (CVSS 4.3) — 7-Zip is a file archiver with a high compression ratio. Versions 9.34 through 26.00 contain an off-by-one heap…
    CVE-2026-48102 (CVSS 3.1) — 7-Zip is a file archiver with a high compression ratio. Versions 9.11 through 26.00 contain a heap out-of-boun…
    CVE-2026-48101 (CVSS 6.5) — 7-Zip is a file archiver with a high compression ratio. Versions 9.21 through 26.00 contain an An uninitialize…
    CVE-2026-48095 (CVSS 8.8) — 7-Zip is a file archiver with a high compression ratio. Versions 26.00 and prior contain a heap buffer overflo…
    CVE-2026-48092 (CVSS 4.3) — 7-Zip is a file archiver with a high compression ratio. Versions 9.34 through 26.00 contain a heap memory disc…

    References

    http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html
    http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html
    http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
    http://www.securityfocus.com/bid/90531
    http://www.securitytracker.com/id/1035876
    http://www.talosintel.com/reports/TALOS-2016-0093/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/
    https://security.gentoo.org/glsa/201701-27
    http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.html
    http://blog.talosintelligence.com/2017/11/exploiting-cve-2016-2334.html
    http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
    http://www.securityfocus.com/bid/90531
    http://www.securitytracker.com/id/1035876
    http://www.talosintel.com/reports/TALOS-2016-0093/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/
    https://security.gentoo.org/glsa/201701-27

    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