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For details see: https://dlcdn.apache.org/httpd/CHANGES_2.4.58 Excerpt from changelog: "Changes with Apache 2.4.58 *) SECURITY: CVE-2023-45802: Apache HTTP Server: HTTP/2 stream memory not reclaimed right away on RST (cve.mitre.org) When a HTTP/2 stream was reset (RST frame) by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing the memory footprint to keep on growing. On connection close, all resources were reclaimed, but the process might run out of memory before that. This was found by the reporter during testing of CVE-2023-44487 (HTTP/2 Rapid Reset Exploit) with their own test client. During "normal" HTTP/2 use, the probability to hit this bug is very low. The kept memory would not become noticeable before the connection closes or times out. Users are recommended to upgrade to version 2.4.58, which fixes the issue. Credits: Will Dormann of Vul Labs *) SECURITY: CVE-2023-43622: Apache HTTP Server: DoS in HTTP/2 with initial windows size 0 (cve.mitre.org) An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in version 2.4.58, so that such connection are terminated properly after the configured connection timeout. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.57. Users are recommended to upgrade to version 2.4.58, which fixes the issue. Credits: Prof. Sven Dietrich (City University of New York) *) SECURITY: CVE-2023-31122: mod_macro buffer over-read (cve.mitre.org) Out-of-bounds Read vulnerability in mod_macro of Apache HTTP Server.This issue affects Apache HTTP Server: through 2.4.57. Credits: David Shoon (github/davidshoon)" Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org> Reviewed-by: Adolf Belka <adolf.belka@ipfire.org> Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
IPFire 2.x - The Open Source Firewall
What is IPFire?
IPFire is a hardened, versatile, state-of-the-art Open Source firewall based on Linux. Its ease of use, high performance in any scenario and extensibility make it usable for everyone. For a full list of features have a look here.
This repository contains the source code of IPFire 2.x which is used to build the whole distribution from scratch, since IPFire is not based on any other distribution.
Where can I get IPFire?
Just head over to https://www.ipfire.org/download
How do I use this software?
We have a long and detailed wiki located here which should answers most of your questions.
But I have some questions left. Where can I get support?
You can ask your question at our community located here. A complete list of our support channels can be found here.
How can I contribute?
We have another document for this. Please look here.