{"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-2021-43534","title":"Title"},{"category":"description","text":"Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.","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-2021-43534","url":"https://www.suse.com/security/cve/CVE-2021-43534"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1192250 for CVE-2021-43534","url":"https://bugzilla.suse.com/1192250"}],"title":"SUSE CVE CVE-2021-43534","tracking":{"current_release_date":"2026-01-16T01:05:13Z","generator":{"date":"2023-02-15T03:36:56Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2021-43534","initial_release_date":"2023-02-15T03:36:56Z","revision_history":[{"date":"2023-02-15T03:36:56Z","number":"2","summary":"Current version"},{"date":"2024-10-05T05:21:11Z","number":"3","summary":"Current version"},{"date":"2024-10-21T18:27:43Z","number":"4","summary":"Current version"},{"date":"2025-01-01T04:08:50Z","number":"5","summary":"Current version"},{"date":"2025-01-10T02:34:40Z","number":"6","summary":"Current version"},{"date":"2025-02-15T04:43:38Z","number":"7","summary":"Current version"},{"date":"2025-02-17T05:06:11Z","number":"8","summary":"Current version"},{"date":"2025-03-15T08:37:21Z","number":"9","summary":"Current version"},{"date":"2025-04-25T04:28:26Z","number":"10","summary":"Current version"},{"date":"2025-05-01T06:09:02Z","number":"11","summary":"Current version"},{"date":"2025-06-18T00:02:40Z","number":"12","summary":"Current version"},{"date":"2025-06-27T00:51:52Z","number":"13","summary":"Current version"},{"date":"2025-07-01T00:46:46Z","number":"14","summary":"Current version"},{"date":"2026-01-16T01:05:13Z","number":"15","summary":"scores added,updates released"}],"status":"interim","version":"15"}},"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":"firefox-91.3.0-1.el8_4","product":{"name":"firefox-91.3.0-1.el8_4","product_id":"firefox-91.3.0-1.el8_4","product_identification_helper":{"purl":"pkg:rpm/suse/firefox@91.3.0-1.el8_4"}}},{"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":"firefox-91.3.0-1.el8_4 as component of SUSE Liberty Linux 8","product_id":"SUSE Liberty Linux 8:firefox-91.3.0-1.el8_4"},"product_reference":"firefox-91.3.0-1.el8_4","relates_to_product_reference":"SUSE Liberty Linux 8"},{"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 Point of Service 11 SP3","product_id":"SUSE Linux Enterprise Point of Service 11 SP3:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Point of Service 11 SP3"},{"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-2021-43534","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-43534"}],"notes":[{"category":"general","text":"Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.","title":"CVE description"}],"product_status":{"known_affected":["SUSE Linux Enterprise Server for SAP Applications 12 SP5:MozillaFirefox"],"recommended":["SUSE Liberty Linux 8:firefox-91.3.0-1.el8_4","SUSE Liberty Linux 8:thunderbird-91.3.0-2.el8_4"]},"references":[{"category":"external","summary":"CVE-2021-43534","url":"https://www.suse.com/security/cve/CVE-2021-43534"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1192250 for CVE-2021-43534","url":"https://bugzilla.suse.com/1192250"}],"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:firefox-91.3.0-1.el8_4","SUSE Liberty Linux 8:thunderbird-91.3.0-2.el8_4"]},{"category":"no_fix_planned","details":"There is no fix planned for these products.\n","product_ids":["SUSE Linux Enterprise Point of Service 11 SP3:MozillaFirefox"]}],"scores":[{"cvss_v3":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Liberty Linux 8:firefox-91.3.0-1.el8_4","SUSE Liberty Linux 8:thunderbird-91.3.0-2.el8_4"]}],"threats":[{"category":"impact","date":"2021-11-02T12:45:26Z","details":"important"}],"title":"CVE-2021-43534"}]}