This update for mercurial fixes the following issues:
Security issues fixed:
CVE-2018-13346: Fix mpatch_apply function in mpatch.c that incorrectly proceeds in cases where the fragment start is past the end of the original data (bsc#1100354).
CVE-2018-13347: Fix mpatch.c that mishandles integer addition and subtraction (bsc#1100355).
CVE-2018-13348: Fix the mpatch_decode function in mpatch.c that mishandles certain situations where there should be at least 12 bytes remaining after thecurrent position in the patch data (bsc#1100353).