-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: nginx:1.20 security update Advisory ID: RHSA-2022:0323-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:0323 Issue date: 2022-01-31 CVE Names: CVE-2021-23017 ==================================================================== 1. Summary: An update for the nginx:1.20 module is now available for Red Hat Enterprise Linux 8. 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 (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. The following packages have been upgraded to a later upstream version: nginx (1.20.1). (BZ#2031030) Security Fix(es): * nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) 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/): 1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: nginx-1.20.1-1.module+el8.5.0+13723+ab304644.src.rpm aarch64: nginx-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-debugsource-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-http-image-filter-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-http-image-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-http-perl-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-http-perl-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-http-xslt-filter-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-http-xslt-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-mail-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-mail-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-stream-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm nginx-mod-stream-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.aarch64.rpm noarch: nginx-all-modules-1.20.1-1.module+el8.5.0+13723+ab304644.noarch.rpm nginx-filesystem-1.20.1-1.module+el8.5.0+13723+ab304644.noarch.rpm ppc64le: nginx-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-debugsource-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-http-image-filter-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-http-image-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-http-perl-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-http-perl-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-http-xslt-filter-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-http-xslt-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-mail-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-mail-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-stream-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm nginx-mod-stream-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.ppc64le.rpm s390x: nginx-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-debugsource-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-http-image-filter-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-http-image-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-http-perl-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-http-perl-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-http-xslt-filter-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-http-xslt-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-mail-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-mail-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-stream-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm nginx-mod-stream-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.s390x.rpm x86_64: nginx-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-debugsource-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-http-image-filter-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-http-image-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-http-perl-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-http-perl-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-http-xslt-filter-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-http-xslt-filter-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-mail-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-mail-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-stream-1.20.1-1.module+el8.5.0+13723+ab304644.x86_64.rpm nginx-mod-stream-debuginfo-1.20.1-1.module+el8.5.0+13723+ab304644.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-2021-23017 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 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYffFj9zjgjWX9erEAQg+Hg//U+8ppA05YSTKo7HLqc4zVRYnl/NauIBD 6R78VwBCUrZYTZomHkpxheCUhsxbyJkgT/6m2/Uy1PEFwzRNcviUVHC1O7KnfCyh OGpo2UzqRJNctRmWnJlCfKPiFAsZ9g9ZIhG+Bv+mkiRbi4+9uTzB0yHOmTLhHA7K eP4oCHKMwuMFNh9pvlxXA+1kq/qgLDpAmdLVeLX3N8I9F6Xl/VYFj1Ahp3Y0DJxc GRNcLwIdUQM8D0bOckOOLf2hgacj5gCvBsxpNNgE424y9xK6uYoK6F9n0gYTyCDL WgMEnSbewiZ2BCnrYAB7XX1xSGZUwmLVXqWsqWeCbjSKzqLpudT+qBFEiQr39UCT Szij1N9/V62M2kP6JiiH0NXzmYS5BJV3CQdriFsxqnUegHzsjjF3ET9OOy49b6jU 6bzxFRpDPzG7oOIVRhjnXQwBrnuBzIIbN2xuuGpzkV6S0nLV3Gr1O3ZsPbH+3wlu r+tnTlFy4Oqg9eUV3+suWxB+yfz1+bHHN8PrqouBNE05GDWYeylZAkr2qIDMdB9p 85/wnMz1EUrkf/MvDXHgV4ZDIwGiOhDbqeOa+7KoQCsnNjVZq15709a1nmcQ1oYf QCP4SNrmLW7hfyrQ7pAbV2Ka8f9qzAxnNWg2DQ7S3N91WoPyXfH/um4RrtVJhpXN g3e/BNt2vs0=WmD/ -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce