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Date: Wed, 14 Sep 2022 14:44:39 +0300
From: Georgi Guninski <gguninski@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] over 2000 packages depend on abort()ing libgmp
ping world
libgmp is library about big numbers.
it is not a library for very big numbers, because
if libgmp meets a very big number, it calls abort()
and coredumps.
2442 packages depend on libgmp on ubuntu20.
guest3@...ntu20:~/prim$ apt-cache rdepends libgmp10 | wc -l
2442
gawk crash:
guest3@...ntu20:~/prim$ gawk --bignum 'BEGIN { a = 2 ^ 2 ^41; print "a =", a }'
gmp: overflow in mpz type
Aborted (core dumped)
guest3@...ntu20:~/prim$ gawk 'BEGIN { a = 2 ^ 2 ^41; print "a =", a }'
a = +inf
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