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    CVE-2010-2547

    Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names, which is not properly handled in a realloc operation when importing the certificate or verifying its signature.

    Published:Jul 23, 2010
    Last Modified:Apr 11, 2025
    EPS:Aug 5, 2010
    EPSS Score:0.15103
    CVSS Score:8.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Gnupg
    Product
    Gnupg
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
    http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
    http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
    http://secunia.com/advisories/38877
    http://secunia.com/advisories/40718
    http://secunia.com/advisories/40841
    http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008
    http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076
    http://www.debian.org/security/2010/dsa-2076
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
    http://www.securityfocus.com/bid/41945
    http://www.securitytracker.com/id?1024247
    http://www.vupen.com/english/advisories/2010/1931
    http://www.vupen.com/english/advisories/2010/1950
    http://www.vupen.com/english/advisories/2010/1988
    http://www.vupen.com/english/advisories/2010/2217
    http://www.vupen.com/english/advisories/2010/3125
    https://issues.rpath.com/browse/RPL-3229
    http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
    http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
    http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
    http://secunia.com/advisories/38877
    http://secunia.com/advisories/40718
    http://secunia.com/advisories/40841
    http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008
    http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076
    http://www.debian.org/security/2010/dsa-2076
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
    http://www.securityfocus.com/bid/41945
    http://www.securitytracker.com/id?1024247
    http://www.vupen.com/english/advisories/2010/1931
    http://www.vupen.com/english/advisories/2010/1950
    http://www.vupen.com/english/advisories/2010/1988
    http://www.vupen.com/english/advisories/2010/2217
    http://www.vupen.com/english/advisories/2010/3125
    https://issues.rpath.com/browse/RPL-3229

    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