Important: mod_http2 security update

2024-04-1800:00:00

errata.almalinux.org

mod_http2

apache httpd

http2 protocol

libnghttp2

continuation frames

dos

cve-2024-27316

security update

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

Low

0.005 Low

EPSS

Percentile

75.5%

JSON

The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers.

Security Fix(es):

httpd: CONTINUATION frames DoS (CVE-2024-27316)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
almalinux9aarch64mod_http2< 1.15.19-5.el9_3.1mod_http2-1.15.19-5.el9_3.1.aarch64.rpm
almalinux9ppc64lemod_http2< 1.15.19-5.el9_3.1mod_http2-1.15.19-5.el9_3.1.ppc64le.rpm
almalinux9x86_64mod_http2< 1.15.19-5.el9_3.1mod_http2-1.15.19-5.el9_3.1.x86_64.rpm
almalinux9s390xmod_http2< 1.15.19-5.el9_3.1mod_http2-1.15.19-5.el9_3.1.s390x.rpm

OS	Version	Architecture	Package	Version	Filename
almalinux	9	aarch64	mod_http2	< 1.15.19-5.el9_3.1	mod_http2-1.15.19-5.el9_3.1.aarch64.rpm
almalinux	9	ppc64le	mod_http2	< 1.15.19-5.el9_3.1	mod_http2-1.15.19-5.el9_3.1.ppc64le.rpm
almalinux	9	x86_64	mod_http2	< 1.15.19-5.el9_3.1	mod_http2-1.15.19-5.el9_3.1.x86_64.rpm
almalinux	9	s390x	mod_http2	< 1.15.19-5.el9_3.1	mod_http2-1.15.19-5.el9_3.1.s390x.rpm