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CVE-2013-4351

CVE-2013-4351

EPSS 2.5%
GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.
Affected products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-updates/2013-10/msg00003.htmlhttp://lists.opensuse.org/opensuse-updates/2013-10/msg00006.htmlhttp://rhn.redhat.com/errata/RHSA-2013-1459.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1010137http://thread.gmane.org/gmane.comp.encryption.gpg.devel/17712/focus=18138http://ubuntu.com/usn/usn-1987-1http://www.debian.org/security/2013/dsa-2773http://www.debian.org/security/2013/dsa-2774http://www.openwall.com/lists/oss-security/2013/09/13/4