The vfprintf function in stdio-common/vfprintf.c in libc in GNU C
Library (aka glibc) 2.12 and other versions does not properly
calculate a buffer length, which allows context-dependent attackers to
bypass the FORTIFY_SOURCE format-string protection mechanism and cause
a denial of service (stack corruption and crash) via a format string
that uses positional parameters and many format specifiers.
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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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