-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: rh-varnish6-varnish security update Advisory ID: RHSA-2021:2993-01 Product: Red Hat Software Collections Advisory URL: https://access.redhat.com/errata/RHSA-2021:2993 Issue date: 2021-08-03 CVE Names: CVE-2021-36740 ==================================================================== 1. Summary: An update for rh-varnish6-varnish is now available for Red Hat Software Collections. 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 Software Collections for Red Hat Enterprise Linux Server (v. 7) - ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - 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. The following packages have been upgraded to a later upstream version: rh-varnish6-varnish (6.0.8). Security Fix(es): * varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request (CVE-2021-36740) 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/): 1982409 - CVE-2021-36740 varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request 6. Package List: Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7): Source: rh-varnish6-varnish-6.0.8-2.el7.src.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.src.rpm ppc64le: rh-varnish6-varnish-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.ppc64le.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.ppc64le.rpm s390x: rh-varnish6-varnish-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.s390x.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.s390x.rpm x86_64: rh-varnish6-varnish-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.x86_64.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.x86_64.rpm Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7): Source: rh-varnish6-varnish-6.0.8-2.el7.src.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.src.rpm ppc64le: rh-varnish6-varnish-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.ppc64le.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.ppc64le.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.ppc64le.rpm s390x: rh-varnish6-varnish-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.s390x.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.s390x.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.s390x.rpm x86_64: rh-varnish6-varnish-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.x86_64.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.x86_64.rpm Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7): Source: rh-varnish6-varnish-6.0.8-2.el7.src.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.src.rpm x86_64: rh-varnish6-varnish-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-devel-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-docs-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-libs-6.0.8-2.el7.x86_64.rpm rh-varnish6-varnish-modules-0.15.0-7.el7.x86_64.rpm rh-varnish6-varnish-modules-debuginfo-0.15.0-7.el7.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-2021-36740 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYQkLM9zjgjWX9erEAQi95w//ed6sR5dZixGGP2Vr/6lA+JNczSA++IBV dCYS159YAD5qOSQ3xUjE2jjZYLfZ57LE+s/ns7HXvBvxY+TP9unSJBhfxx3S+wb4 rJI06Cg3Xu+wU+pg6yX1QPBv9t4kaU5RNuiJW2vUFUtr1uXljhqgmu5VHhvZVH9O ni5lrv4u0AzUjpe8JRFVobANhGfPNFM/z+ba4iUvUnpnAtP7EzvmfSVzpgA9kjy1 lAM0CdCbxKOebk57eltnbZNgj15K3nweASaLeKoaXin0Q8WI+9jM8kOhe7n8WrJT HCIoUQ+IHLhZba292ib3BCz21GG4KgfOGZE8ClzbVAUYya/zODPoC/cxulR4OXfv NOgS5TzVRM/O9EzQfIlFv8BXNxeKi17pHNELBoiodLYXf9RHWhblqX6Cy/Bst7qO kyUrIvebTCs68lFLQICaEoUIlu9ENOpJShw0fjSkEjsBqntGgWvZ9EusFlyYzVAY WendKgN/VwriGqp5Z9sjlUUesTyadvPDPKuspwmhJts2UWnJFubjMSz194y/bEBX IlZsVg2tqZi4t9C85J+ZPJKn5YvG/RVG8aRbrzcihzNJpdxPAgoAaEdxHUKlU8p0 00mpNuV0rOymP7aeZoVcCoZFPK4Zk2I7ngzaQ8RuOm9ayIAEo0RnmgDBNYgZmVLx 5SzkDb2PFS8=uGAz -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce