CVE-2020-10543: Fixed a heap buffer overflow in regular expression compiler which could have
allowed overwriting of allocated memory with attacker's data (bsc#1171863).
CVE-2020-10878: Fixed multiple integer overflows which could have allowed the insertion of
instructions into the compiled form of Perl regular expression (bsc#1171864).
CVE-2020-12723: Fixed an attacker's corruption of the intermediate language state of a
compiled regular expression (bsc#1171866).