This description was provided in the disclosure from VINCE: HTTP/2 CONTINUATION frames without the END_HEADERS flag set can be sent in a continuous stream by an attacker to an Apache Httpd implementation, which will not properly terminate the request early, causing an OOM crash. [note: edited "which will not properly append header information in memory" to "which will not properly terminate the request early" per note from Apache in VINCE]
CVE-2023-44487 is something different i think you are mixing CVE...
Created mod_http2 tracking bugs for this issue: Affects: fedora-all [bug 2273037]
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2024:1786 https://access.redhat.com/errata/RHSA-2024:1786
Created httpd tracking bugs for this issue: Affects: fedora-all [bug 2274836]
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2024:1872 https://access.redhat.com/errata/RHSA-2024:1872
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2024:2564 https://access.redhat.com/errata/RHSA-2024:2564
This issue has been addressed in the following products: Red Hat JBoss Core Services Via RHSA-2024:2694 https://access.redhat.com/errata/RHSA-2024:2694
This issue has been addressed in the following products: JBoss Core Services on RHEL 7 JBoss Core Services for RHEL 8 Via RHSA-2024:2693 https://access.redhat.com/errata/RHSA-2024:2693
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Extended Update Support Via RHSA-2024:2891 https://access.redhat.com/errata/RHSA-2024:2891
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Extended Update Support Via RHSA-2024:2907 https://access.redhat.com/errata/RHSA-2024:2907
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Extended Update Support Via RHSA-2024:3417 https://access.redhat.com/errata/RHSA-2024:3417
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Extended Update Support Via RHSA-2024:3402 https://access.redhat.com/errata/RHSA-2024:3402
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 Via RHSA-2024:4390 https://access.redhat.com/errata/RHSA-2024:4390
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform Via RHSA-2024:4392 https://access.redhat.com/errata/RHSA-2024:4392
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9 Via RHSA-2024:5145 https://access.redhat.com/errata/RHSA-2024:5145
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7 Via RHSA-2024:5143 https://access.redhat.com/errata/RHSA-2024:5143
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8 Via RHSA-2024:5144 https://access.redhat.com/errata/RHSA-2024:5144
This issue has been addressed in the following products: Red Hat JBoss Enterprise Application Platform Via RHSA-2024:5147 https://access.redhat.com/errata/RHSA-2024:5147