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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: varnish:6 security update
Advisory ID:       RHSA-2022:0422-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:0422
Issue date:        2022-02-03
CVE Names:         CVE-2022-23959 
=====================================================================

1. Summary:

An update for the varnish:6 module is now available for Red Hat Enterprise
Linux 8.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, ppc64le, s390x,
 x86_64

3. Description:

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):

* varnish: HTTP/1 request smuggling vulnerability (CVE-2022-23959)

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2045031 - CVE-2022-23959 varnish: HTTP/1 request smuggling vulnerability

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.8.4):

Source:
varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.src.rpm
varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.src.rpm

aarch64:
varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64.rpm
varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64.rpm
varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.aarch64.rpm
varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64.rpm
varnish-modules-debuginfo-0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64.rpm
varnish-modules-debugsource-0.15.0-5.module+el8.3.0+6843+b3b42fcc.aarch64.rpm

ppc64le:
varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le.rpm
varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le.rpm
varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.ppc64le.rpm
varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le.rpm
varnish-modules-debuginfo-0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le.rpm
varnish-modules-debugsource-0.15.0-5.module+el8.3.0+6843+b3b42fcc.ppc64le.rpm

s390x:
varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x.rpm
varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x.rpm
varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.s390x.rpm
varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x.rpm
varnish-modules-debuginfo-0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x.rpm
varnish-modules-debugsource-0.15.0-5.module+el8.3.0+6843+b3b42fcc.s390x.rpm

x86_64:
varnish-6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64.rpm
varnish-devel-6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64.rpm
varnish-docs-6.0.6-2.module+el8.4.0+14090+331e4860.2.x86_64.rpm
varnish-modules-0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64.rpm
varnish-modules-debuginfo-0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64.rpm
varnish-modules-debugsource-0.15.0-5.module+el8.3.0+6843+b3b42fcc.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-23959
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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