Changelog for zlib-1.2.11-40.el9.x86_64.rpm :

* Thu May 04 2023 Lukas Javorsky - 1.2.11-40- Fix the Crash in zlib deflateBound() function on s390x- Resolves: BZ#2193044
* Thu Feb 09 2023 Lukas Javorsky - 1.2.11-39- Fix covscan issue CWE-681
* Tue Feb 07 2023 Lukas Javorsky - 1.2.11-38- Resolve fuzzing issue for unknown memory access
* Tue Feb 07 2023 Lukas Javorsky - 1.2.11-37- Rebased Power 8 optimization patches- Fix for Unnecessary IFUNC resolver for crc32_z- Fix for python3.11 broken libxml2 and lxml on s390x
* Mon Dec 19 2022 Ilya Leoshkevich - 1.2.11-36- Inflate small window optimization for IBM z15 rhbz#2154775
* Wed Oct 12 2022 Ilya Leoshkevich - 1.2.11-35- Fix for IBM strm.adler rhbz#2134074
* Wed Aug 10 2022 Matej Mužila - 1.2.11-34- Fix heap-based buffer over-read or buffer overflow in inflate in inflate.c- Resolves: CVE-2022-37434
* Mon Apr 25 2022 Matej Mužila - 1.2.11-33- Fix CVE-2018-25032 Resolves: CVE-2018-25032
* Tue Mar 01 2022 Ilya Leoshkevich - 1.2.11-32- Fix for IBM compressBound() rhbz#2056899
* Tue Aug 10 2021 Mohan Boddu - 1.2.11-31- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags Related: rhbz#1991688
* Tue Jul 20 2021 Ondrej Dubaj - 1.2.11-30- Fix for IBM CRC32 optimalization rhbz#1959423
* Thu Jul 15 2021 Ondrej Dubaj - 1.2.11-29- Missing RPM_OPT_FLAGS in CFLAGS (#1972057)
* Thu Jun 03 2021 Patrik Novotný - 1.2.11-28- IBM CRC32 optimalization rhbz#1959423- Enabled Z hardware-accelerated deflate for compression levels 1 through 6 (#1972057)