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redhatRedHatRHSA-2023:6023
HistoryOct 23, 2023 - 11:39 a.m.

(RHSA-2023:6023) Important: varnish:6 security update

2023-10-2311:39:17
access.redhat.com
23
varnish cache
http/2
ddos

0.72 High

EPSS

Percentile

98.0%

JSON

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don’t have to create the same web page over and over again, giving the website a significant speed up.

Security Fix(es):

  • HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

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
RedHatanyppc64levarnish-modules-debugsource< 0.15.0-4.module+el8+2481+4078e9d2varnish-modules-debugsource-0.15.0-4.module+el8+2481+4078e9d2.ppc64le.rpm
RedHatanyppc64levarnish< 6.0.2-2.module+el8.1.0+20476+646a44ec.3varnish-6.0.2-2.module+el8.1.0+20476+646a44ec.3.ppc64le.rpm
RedHatanyx86_64varnish-devel< 6.0.2-2.module+el8.1.0+20476+646a44ec.3varnish-devel-6.0.2-2.module+el8.1.0+20476+646a44ec.3.x86_64.rpm
RedHatanyx86_64varnish-docs< 6.0.2-2.module+el8.1.0+20476+646a44ec.3varnish-docs-6.0.2-2.module+el8.1.0+20476+646a44ec.3.x86_64.rpm
RedHatanyx86_64varnish-modules< 0.15.0-4.module+el8+2481+4078e9d2varnish-modules-0.15.0-4.module+el8+2481+4078e9d2.x86_64.rpm
RedHatanyx86_64varnish< 6.0.2-2.module+el8.1.0+20476+646a44ec.3varnish-6.0.2-2.module+el8.1.0+20476+646a44ec.3.x86_64.rpm
RedHatanyppc64levarnish-devel< 6.0.2-2.module+el8.1.0+20476+646a44ec.3varnish-devel-6.0.2-2.module+el8.1.0+20476+646a44ec.3.ppc64le.rpm
RedHatanyppc64levarnish-modules< 0.15.0-4.module+el8+2481+4078e9d2varnish-modules-0.15.0-4.module+el8+2481+4078e9d2.ppc64le.rpm
RedHatanyx86_64varnish-modules-debugsource< 0.15.0-4.module+el8+2481+4078e9d2varnish-modules-debugsource-0.15.0-4.module+el8+2481+4078e9d2.x86_64.rpm
RedHatanyx86_64varnish-modules-debuginfo< 0.15.0-4.module+el8+2481+4078e9d2varnish-modules-debuginfo-0.15.0-4.module+el8+2481+4078e9d2.x86_64.rpm
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0.72 High

EPSS

Percentile

98.0%

JSON
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