{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"critical"},"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-2021-33912","title":"Title"},{"category":"description","text":"libspf2 before 1.2.11 has a four-byte heap-based buffer overflow that might allow remote attackers to execute arbitrary code (via an unauthenticated e-mail message from anywhere on the Internet) with a crafted SPF DNS record, because of incorrect sprintf usage in SPF_record_expand_data in spf_expand.c. The vulnerable code may be part of the supply chain of a site's e-mail infrastructure (e.g., with additional configuration, Exim can use libspf2; the Postfix web site links to unofficial patches for use of libspf2 with Postfix; older versions of spfquery relied on libspf2) but most often is not.","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-2021-33912","url":"https://www.suse.com/security/cve/CVE-2021-33912"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1194921 for CVE-2021-33912","url":"https://bugzilla.suse.com/1194921"}],"title":"SUSE CVE CVE-2021-33912","tracking":{"current_release_date":"2025-02-17T05:20:34Z","generator":{"date":"2023-02-15T03:40:15Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-33912","initial_release_date":"2023-02-15T03:40:15Z","revision_history":[{"date":"2023-02-15T03:40:15Z","number":"2","summary":"Current version"},{"date":"2025-01-01T04:23:19Z","number":"3","summary":"Current version"},{"date":"2025-02-15T04:57:53Z","number":"4","summary":"Current version"},{"date":"2025-02-17T05:20:34Z","number":"5","summary":"Current version"}],"status":"interim","version":"5"}}}