ALSA-2024:2368: mod_http2 security update

ALSA-2024:2368, released April 30, 2024, fixes 3 CVEs in mod_http2 (version 2.0.26-1.el9). One of them is being exploited (CVE-2023-44487); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2023-44487

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

1.0000

99th percentile

Priority of the 3 CVEs

Patch now 1
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
mod_http2	almalinux 9	2.0.26-1.el9

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2023-44487	MITRE: CVE-2023-44487 HTTP/2 Rapid Reset Attack	7.5	1.0000	KEVExploited
High	CVE-2023-43622	apache2: An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connect...	7.5	0.6882	None reported
High	CVE-2023-45802	apache2: This update for apache2 fixes the following issues: - CVE-2023-45802: Fixed regression with previous fix (bsc#1233165).	7.5	0.0317	None reported

Also fixes CVE-2023-44487

KB5031364
Windows Server 2022, Windows Server 2022 (Server Core installation)
KB5031361
Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows 10 Version 1809 for x64-based Systems and 2 more
KB5031354
Windows 11 Version 22H2 for ARM64-based Systems, Windows 11 Version 22H2 for x64-based Systems
KB5031358
Windows 11 version 21H2 for ARM64-based Systems, Windows 11 version 21H2 for x64-based Systems
KB5031356
Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems and 3 more
KB5031362
Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 and 1 more
KB5032875
.NET 7.0
KB5032874
.NET 6.0

Vendor advisory

https://osv.dev/vulnerability/ALSA-2024:2368

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