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redhatRedHatRHSA-2023:5989
HistoryOct 23, 2023 - 8:39 a.m.

(RHSA-2023:5989) Important: varnish security update

2023-10-2308:39:49
access.redhat.com
23
varnish cache
http/2
rapid reset attack
ddos
cve-2023-44487
security update

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
RedHatanys390xvarnish-modules-debugsource< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.s390x.rpm
RedHatanyppc64levarnish-docs< 6.0.8-3.module+el8.8.0+20455+bdc2c048.1varnish-docs-6.0.8-3.module+el8.8.0+20455+bdc2c048.1.ppc64le.rpm
RedHatanyaarch64varnish-modules-debugsource< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.aarch64.rpm
RedHatanyx86_64varnish-modules-debuginfo< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm
RedHatanyaarch64varnish-modules-debuginfo< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.aarch64.rpm
RedHatanyppc64levarnish< 6.0.8-3.module+el8.8.0+20455+bdc2c048.1varnish-6.0.8-3.module+el8.8.0+20455+bdc2c048.1.ppc64le.rpm
RedHatanyx86_64varnish-devel< 6.0.8-3.module+el8.8.0+20455+bdc2c048.1varnish-devel-6.0.8-3.module+el8.8.0+20455+bdc2c048.1.x86_64.rpm
RedHatanyx86_64varnish-modules-debugsource< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-debugsource-0.15.0-6.module+el8.5.0+11976+0b4af72d.x86_64.rpm
RedHatanys390xvarnish-modules-debuginfo< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-debuginfo-0.15.0-6.module+el8.5.0+11976+0b4af72d.s390x.rpm
RedHatanyppc64levarnish-modules< 0.15.0-6.module+el8.5.0+11976+0b4af72dvarnish-modules-0.15.0-6.module+el8.5.0+11976+0b4af72d.ppc64le.rpm
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0.72 High

EPSS

Percentile

98.0%

JSON
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