{"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-2021-43529","title":"Title"},{"category":"description","text":"Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures.","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-2021-43529","url":"https://www.suse.com/security/cve/CVE-2021-43529"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1193485 for CVE-2021-43529","url":"https://bugzilla.suse.com/1193485"}],"title":"SUSE CVE CVE-2021-43529","tracking":{"current_release_date":"2026-01-16T01:05:14Z","generator":{"date":"2023-02-15T03:36:57Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-43529","initial_release_date":"2023-02-15T03:36:57Z","revision_history":[{"date":"2023-02-15T03:36:57Z","number":"2","summary":"Current version"},{"date":"2024-10-05T05:21:16Z","number":"3","summary":"Current version"},{"date":"2024-10-21T18:27:49Z","number":"4","summary":"Current version"},{"date":"2025-01-01T04:08:55Z","number":"5","summary":"Current version"},{"date":"2025-01-10T02:34:47Z","number":"6","summary":"Current version"},{"date":"2025-02-15T04:43:44Z","number":"7","summary":"Current version"},{"date":"2025-02-17T05:06:17Z","number":"8","summary":"Current version"},{"date":"2025-03-15T08:37:27Z","number":"9","summary":"Current version"},{"date":"2025-03-20T03:39:15Z","number":"10","summary":"Current version"},{"date":"2025-06-18T00:02:46Z","number":"11","summary":"Current version"},{"date":"2025-06-27T00:51:59Z","number":"12","summary":"Current version"},{"date":"2025-07-01T00:46:53Z","number":"13","summary":"Current version"},{"date":"2026-01-16T01:05:14Z","number":"14","summary":"scores added,updates released"}],"status":"interim","version":"14"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Liberty Linux 8","product":{"name":"SUSE Liberty Linux 8","product_id":"SUSE Liberty Linux 8","product_identification_helper":{"cpe":"cpe:/o:suse:sll:8"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server for SAP Applications 12 SP5","product":{"name":"SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_id":"SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_identification_helper":{"cpe":"cpe:/o:suse:sles_sap:12:sp5"}}},{"category":"product_version","name":"MozillaFirefox","product":{"name":"MozillaFirefox","product_id":"MozillaFirefox","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox@?upstream=MozillaFirefox.src.rpm"}}},{"category":"product_version","name":"thunderbird-91.3.0-2.el8_4","product":{"name":"thunderbird-91.3.0-2.el8_4","product_id":"thunderbird-91.3.0-2.el8_4","product_identification_helper":{"purl":"pkg:rpm/suse/thunderbird@91.3.0-2.el8_4"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"thunderbird-91.3.0-2.el8_4 as component of SUSE Liberty Linux 8","product_id":"SUSE Liberty Linux 8:thunderbird-91.3.0-2.el8_4"},"product_reference":"thunderbird-91.3.0-2.el8_4","relates_to_product_reference":"SUSE Liberty Linux 8"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server for SAP Applications 12 SP5","product_id":"SUSE Linux Enterprise Server for SAP Applications 12 SP5:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP Applications 12 SP5"}]},"vulnerabilities":[{"cve":"CVE-2021-43529","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-43529"}],"notes":[{"category":"general","text":"Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures.","title":"CVE description"}],"product_status":{"known_affected":["SUSE Linux Enterprise Server for SAP Applications 12 SP5:MozillaFirefox"],"recommended":["SUSE Liberty Linux 8:thunderbird-91.3.0-2.el8_4"]},"references":[{"category":"external","summary":"CVE-2021-43529","url":"https://www.suse.com/security/cve/CVE-2021-43529"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1193485 for CVE-2021-43529","url":"https://bugzilla.suse.com/1193485"}],"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 Liberty Linux 8:thunderbird-91.3.0-2.el8_4"]}],"scores":[{"cvss_v3":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"products":["SUSE Liberty Linux 8:thunderbird-91.3.0-2.el8_4"]}],"threats":[{"category":"impact","date":"2021-12-07T14:30:30Z","details":"important"}],"title":"CVE-2021-43529"}]}