-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: squid:4 security update Advisory ID: RHSA-2022:5526-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:5526 Issue date: 2022-07-07 CVE Names: CVE-2021-46784 ==================================================================== 1. Summary: An update for the squid:4 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, ppc64le, s390x, x86_64 3. Description: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: DoS when processing gopher server responses (CVE-2021-46784) 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 After installing this update, the squid service will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 2100721 - CVE-2021-46784 squid: DoS when processing gopher server responses 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.src.rpm aarch64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.aarch64.rpm squid-debuginfo-4.15-3.module+el8.6.0+15801+8fa20c64.1.aarch64.rpm squid-debugsource-4.15-3.module+el8.6.0+15801+8fa20c64.1.aarch64.rpm ppc64le: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.ppc64le.rpm squid-debuginfo-4.15-3.module+el8.6.0+15801+8fa20c64.1.ppc64le.rpm squid-debugsource-4.15-3.module+el8.6.0+15801+8fa20c64.1.ppc64le.rpm s390x: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.s390x.rpm squid-debuginfo-4.15-3.module+el8.6.0+15801+8fa20c64.1.s390x.rpm squid-debugsource-4.15-3.module+el8.6.0+15801+8fa20c64.1.s390x.rpm x86_64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm squid-4.15-3.module+el8.6.0+15801+8fa20c64.1.x86_64.rpm squid-debuginfo-4.15-3.module+el8.6.0+15801+8fa20c64.1.x86_64.rpm squid-debugsource-4.15-3.module+el8.6.0+15801+8fa20c64.1.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-2021-46784 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 iQIVAwUBYuFj/NzjgjWX9erEAQhUOA//QaRq6JfxhCp5xvfXkTIuDmwHlytCwIxP 8RtPL3ADqCGI0iyh00YCq44oPOpw8e746a1VeZiB8HbZ4/PcUfCZY7pE/E3B7/ke k2Q+oaez4I3w+yZj8hN2OLVl/eBH//tDBXCB0uyg5blcpS56xQjlYfX04ZaKD3WX ClbvBvFTNYwu4cmaXTERNgBiD0SiiadHyAAQavJhpWWlGlumxgu0Jxkqus1UbCkR PU2Qi5ZKRoxeSzwluKTcz2JJPAgsYJvB/2xzPrygfBfLTqIkPTOTd2rYKxryEE05 NYuBs4gVkS8cKkMf1wtfiXnc2rXkvpYwrDJtEmkGN5oB8HfC+V4G5EqfTVrhtTI1 kiIeuEHVFjvNBHX7okZjhCz9Do3c86gVIb8UunUOykPENYk3ijMqRujilB7vM9WY chvrMS5xIfFRWr4JpXeq8pBxujCOwnQBUQ9yzCFqQpVYApLECL/7dO/1vbHkwRzw 6SeDwNddsaB9hjhF2hZlevztdybL8sX3daKYyssQKLkTTXEketM2WBDlqN+j5qs8 1QZ4AtgyS/2gHyorfY4uK6OtWyOgnOY19+rX3aJRCyE+g/ljQgFtiZWA+KeSWnNp Ao66n8lHheDWilf1vCSx0x04RyJ+dtdHH38Dnai4Ta4cMjTRn2CKOYWKFn50BCD3 1CXNL6QbsSU=hQkc -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce