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    CVE-2021-30184

    GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overflow in the use of a .tmp.epd temporary file in the cmd_pgnload and cmd_pgnreplay functions in frontend/cmd.cc.

    Published:Apr 4, 2021
    Last Modified:Jan 12, 2025
    EPS:Apr 7, 2021
    EPSS Score:0.0071
    CVSS Score:7.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Gnu
    Product
    Chess

    Exploits

    https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.htmlhttps://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.htmlhttps://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.htmlhttps://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html

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    References

    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FACSOE5MWDS3YH3RBNQAQ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA3JMPG6BU37DQW2YOJWS/
    https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html
    https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html
    https://security.gentoo.org/glsa/202107-28
    https://lists.debian.org/debian-lts-announce/2025/01/msg00007.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QC74RWMDLSQGV6Z3ZABNTPABB33S4YNF/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOGPLC77ZL2FACSOE5MWDS3YH3RBNQAQ/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXOTMUSBVUZNA3JMPG6BU37DQW2YOJWS/
    https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00000.html
    https://lists.gnu.org/archive/html/bug-gnu-chess/2021-04/msg00001.html
    https://security.gentoo.org/glsa/202107-28

    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