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    CVE-2018-5996

    Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

    Published:Jan 23, 2018
    Last Modified:Jan 10, 2025
    EPS:Jan 31, 2018
    EPSS Score:0.04477
    CVSS Score:7.8

    Affected Products

    Vendor
    7-zip
    Product
    7-zip
    Vendor
    7-zip
    Product
    P7zip
    Vendor
    Debian
    Product
    Debian Linux

    Exploits

    https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/

    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…

    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