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    CVE-2014-9087

    Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.

    Published:Nov 25, 2014
    Last Modified:Apr 12, 2025
    EPS:Dec 1, 2014
    EPSS Score:0.05055
    CVSS Score:7.5

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Gnupg
    Product
    Gnupg
    Vendor
    Gnupg
    Product
    Libksba
    Vendor
    Mageia
    Product
    Mageia

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://advisories.mageia.org/MGASA-2014-0498.html
    http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html
    http://secunia.com/advisories/60073
    http://secunia.com/advisories/60189
    http://secunia.com/advisories/60233
    http://www.debian.org/security/2014/dsa-3078
    http://www.mandriva.com/security/advisories?name=MDVSA-2014:234
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:151
    http://www.securityfocus.com/bid/71285
    http://www.ubuntu.com/usn/USN-2427-1
    https://blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-libksba-TFPA-0012014.html
    http://advisories.mageia.org/MGASA-2014-0498.html
    http://lists.gnupg.org/pipermail/gnupg-announce/2014q4/000359.html
    http://secunia.com/advisories/60073
    http://secunia.com/advisories/60189
    http://secunia.com/advisories/60233
    http://www.debian.org/security/2014/dsa-3078
    http://www.mandriva.com/security/advisories?name=MDVSA-2014:234
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:151
    http://www.securityfocus.com/bid/71285
    http://www.ubuntu.com/usn/USN-2427-1
    https://blog.fuzzing-project.org/2-Buffer-overflow-and-other-minor-issues-in-GnuPG-and-libksba-TFPA-0012014.html

    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