{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2021-32675","title":"Title"},{"category":"description","text":"Redis is an open source, in-memory database that persists on disk. When parsing an incoming Redis Standard Protocol (RESP) request, Redis allocates memory according to user-specified values which determine the number of elements (in the multi-bulk header) and size of each element (in the bulk header). An attacker delivering specially crafted requests over multiple connections can cause the server to allocate significant amount of memory. Because the same parsing mechanism is used to handle authentication requests, this vulnerability can also be exploited by unauthenticated users. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate this problem without patching the redis-server executable is to block access to prevent unauthenticated users from connecting to Redis. This can be done in different ways: Using network access control tools like firewalls, iptables, security groups, etc. or Enabling TLS and requiring users to authenticate using client side certificates.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2021-32675","url":"https://www.suse.com/security/cve/CVE-2021-32675"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1191303 for CVE-2021-32675","url":"https://bugzilla.suse.com/1191303"},{"category":"external","summary":"Advisory link for SUSE-SU-2021:3772-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2021-November/009767.html"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:3772-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OTFIHYYQFTTATMKJQIWNX7F7WKXQXYDB/"}],"title":"SUSE CVE CVE-2021-32675","tracking":{"current_release_date":"2025-10-07T02:30:07Z","generator":{"date":"2023-02-15T03:40:59Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-32675","initial_release_date":"2023-02-15T03:40:59Z","revision_history":[{"date":"2023-02-15T03:40:59Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:26:29Z","number":"3","summary":"Current version"},{"date":"2025-02-08T05:13:23Z","number":"4","summary":"Current version"},{"date":"2025-02-15T05:01:10Z","number":"5","summary":"Current version"},{"date":"2025-02-17T05:23:42Z","number":"6","summary":"Current 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When parsing an incoming Redis Standard Protocol (RESP) request, Redis allocates memory according to user-specified values which determine the number of elements (in the multi-bulk header) and size of each element (in the bulk header). An attacker delivering specially crafted requests over multiple connections can cause the server to allocate significant amount of memory. Because the same parsing mechanism is used to handle authentication requests, this vulnerability can also be exploited by unauthenticated users. The problem is fixed in Redis versions 6.2.6, 6.0.16 and 5.0.14. An additional workaround to mitigate this problem without patching the redis-server executable is to block access to prevent unauthenticated users from connecting to Redis. This can be done in different ways: Using network access control tools like firewalls, iptables, security groups, etc. or Enabling TLS and requiring users to authenticate using client side certificates.","title":"CVE description"}],"product_status":{"known_not_affected":["SUSE Linux Enterprise High Performance Computing 15 SP4:redis","SUSE Linux Enterprise Module for Server Applications 15 SP4:redis","SUSE Linux Enterprise Server 15 SP4:redis","SUSE Linux Enterprise Server for SAP Applications 15 SP4:redis","SUSE Manager Proxy 4.3:redis","SUSE Manager Retail Branch Server 4.3:redis","SUSE Manager Server 4.3:redis"],"recommended":["SUSE Enterprise Storage 7.1:redis-6.0.14-6.8.1","SUSE Enterprise Storage 7:redis-6.0.14-6.8.1","SUSE Liberty Linux 8:redis-6.0.9-5.module+el8.4.0+12929+1bb0d2aa","SUSE Liberty Linux 8:redis-devel-6.0.9-5.module+el8.4.0+12929+1bb0d2aa","SUSE Liberty Linux 8:redis-doc-6.0.9-5.module+el8.4.0+12929+1bb0d2aa","SUSE Linux Enterprise High Performance Computing 15 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openSUSE-SU-2021:3772-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/OTFIHYYQFTTATMKJQIWNX7F7WKXQXYDB/"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Enterprise Storage 7.1:redis-6.0.14-6.8.1","SUSE Enterprise Storage 7:redis-6.0.14-6.8.1","SUSE Liberty Linux 8:redis-6.0.9-5.module+el8.4.0+12929+1bb0d2aa","SUSE Liberty Linux 8:redis-devel-6.0.9-5.module+el8.4.0+12929+1bb0d2aa","SUSE Liberty Linux 8:redis-doc-6.0.9-5.module+el8.4.0+12929+1bb0d2aa","SUSE Linux Enterprise High Performance Computing 15 SP2:redis-6.0.14-6.8.1","SUSE Linux Enterprise High Performance Computing 15 SP3:redis-6.0.14-6.8.1","SUSE Linux Enterprise High Performance Computing 15 SP4:redis-6.2.6-150400.1.5","SUSE Linux Enterprise Module for Server Applications 15 SP2:redis-6.0.14-6.8.1","SUSE Linux Enterprise 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