apt-get in apt before 0.7.21 does not check for the correct error code
from gpgv, which causes apt to treat a repository as valid even when
it has been signed with a key that has been revoked or expired, which
might allow remote attackers to trick apt into installing malicious
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the CVE-ID was allocated or reserved, and does not
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discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
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list, which standardizes names for security