In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.
https://www.tenable.com/security/tns-2019-09
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.debian.org/security/2019/dsa-4422
https://usn.ubuntu.com/3937-1/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us
https://security.netapp.com/advisory/ntap-20190125-0001/
https://security.gentoo.org/glsa/201903-21
https://seclists.org/bugtraq/2019/Apr/5
https://lists.debian.org/debian-lts-announce/2019/01/msg00024.html
https://httpd.apache.org/security/vulnerabilities_24.html
https://access.redhat.com/errata/RHSA-2019:4126
https://access.redhat.com/errata/RHSA-2019:3935
https://access.redhat.com/errata/RHSA-2019:3933