{"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-2025-5270","title":"Title"},{"category":"description","text":"In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.","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-2025-5270","url":"https://www.suse.com/security/cve/CVE-2025-5270"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1243353 for CVE-2025-5270","url":"https://bugzilla.suse.com/1243353"}],"title":"SUSE CVE CVE-2025-5270","tracking":{"current_release_date":"2025-07-07T23:36:09Z","generator":{"date":"2025-05-30T01:30:30Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2025-5270","initial_release_date":"2025-05-30T01:30:30Z","revision_history":[{"date":"2025-05-30T01:30:30Z","number":"2","summary":"Current version"},{"date":"2025-05-31T01:28:48Z","number":"3","summary":"Current version"},{"date":"2025-06-04T03:01:51Z","number":"4","summary":"Current version"},{"date":"2025-06-06T02:25:13Z","number":"5","summary":"Current version"},{"date":"2025-06-14T03:01:57Z","number":"6","summary":"Current version"},{"date":"2025-06-26T23:30:27Z","number":"7","summary":"Current version"},{"date":"2025-06-30T23:43:31Z","number":"8","summary":"Current version"},{"date":"2025-07-07T23:36:09Z","number":"9","summary":"Current version"}],"status":"interim","version":"9"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Server 11 SP4 LTSS","product":{"name":"SUSE Linux Enterprise Server 11 SP4 LTSS","product_id":"SUSE Linux Enterprise Server 11 SP4 LTSS","product_identification_helper":{"cpe":"cpe:/o:suse:suse_sles_ltss:11:sp4"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 12 SP2-LTSS","product":{"name":"SUSE Linux Enterprise Server 12 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP2-LTSS","product_identification_helper":{"cpe":"cpe:/o:suse:sles-ltss:12:sp2"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 12 SP4-LTSS","product":{"name":"SUSE Linux Enterprise Server 12 SP4-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP4-LTSS","product_identification_helper":{"cpe":"cpe:/o:suse:sles-ltss:12:sp4"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 15 SP1-LTSS","product":{"name":"SUSE Linux Enterprise Server 15 SP1-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP1-LTSS","product_identification_helper":{"cpe":"cpe:/o:suse:sles-ltss:15:sp1"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 15 SP2-LTSS","product":{"name":"SUSE Linux Enterprise Server 15 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP2-LTSS","product_identification_helper":{"cpe":"cpe:/o:suse:sles-ltss:15:sp2"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 15-LTSS","product":{"name":"SUSE Linux Enterprise Server 15-LTSS","product_id":"SUSE Linux Enterprise Server 15-LTSS","product_identification_helper":{"cpe":"cpe:/o:suse:sles-ltss:15"}}},{"category":"product_name","name":"openSUSE Tumbleweed","product":{"name":"openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed","product_identification_helper":{"cpe":"cpe:/o:opensuse:tumbleweed"}}},{"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":"MozillaFirefox-139.0.1-1.1","product":{"name":"MozillaFirefox-139.0.1-1.1","product_id":"MozillaFirefox-139.0.1-1.1","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:139.0.1:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox@139.0.1-1.1?upstream=MozillaFirefox-139.0.1-1.1.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-branding-upstream-139.0.1-1.1","product":{"name":"MozillaFirefox-branding-upstream-139.0.1-1.1","product_id":"MozillaFirefox-branding-upstream-139.0.1-1.1","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:139.0.1:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-branding-upstream@139.0.1-1.1?upstream=MozillaFirefox-139.0.1-1.1.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-devel","product":{"name":"MozillaFirefox-devel","product_id":"MozillaFirefox-devel","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-devel@?upstream=MozillaFirefox.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-devel-139.0.1-1.1","product":{"name":"MozillaFirefox-devel-139.0.1-1.1","product_id":"MozillaFirefox-devel-139.0.1-1.1","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:139.0.1:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-devel@139.0.1-1.1?upstream=MozillaFirefox-139.0.1-1.1.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-translations-common","product":{"name":"MozillaFirefox-translations-common","product_id":"MozillaFirefox-translations-common","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-translations-common@?upstream=MozillaFirefox.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-translations-common-139.0.1-1.1","product":{"name":"MozillaFirefox-translations-common-139.0.1-1.1","product_id":"MozillaFirefox-translations-common-139.0.1-1.1","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:139.0.1:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-translations-common@139.0.1-1.1?upstream=MozillaFirefox-139.0.1-1.1.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-translations-other","product":{"name":"MozillaFirefox-translations-other","product_id":"MozillaFirefox-translations-other","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-translations-other@?upstream=MozillaFirefox.src.rpm"}}},{"category":"product_version","name":"MozillaFirefox-translations-other-139.0.1-1.1","product":{"name":"MozillaFirefox-translations-other-139.0.1-1.1","product_id":"MozillaFirefox-translations-other-139.0.1-1.1","product_identification_helper":{"cpe":"cpe:2.3:a:mozilla:firefox:139.0.1:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/MozillaFirefox-translations-other@139.0.1-1.1?upstream=MozillaFirefox-139.0.1-1.1.src.rpm"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-139.0.1-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:MozillaFirefox-139.0.1-1.1"},"product_reference":"MozillaFirefox-139.0.1-1.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-branding-upstream-139.0.1-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:MozillaFirefox-branding-upstream-139.0.1-1.1"},"product_reference":"MozillaFirefox-branding-upstream-139.0.1-1.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-devel-139.0.1-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:MozillaFirefox-devel-139.0.1-1.1"},"product_reference":"MozillaFirefox-devel-139.0.1-1.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-common-139.0.1-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:MozillaFirefox-translations-common-139.0.1-1.1"},"product_reference":"MozillaFirefox-translations-common-139.0.1-1.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-other-139.0.1-1.1 as component of openSUSE Tumbleweed","product_id":"openSUSE Tumbleweed:MozillaFirefox-translations-other-139.0.1-1.1"},"product_reference":"MozillaFirefox-translations-other-139.0.1-1.1","relates_to_product_reference":"openSUSE Tumbleweed"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server 11 SP4 LTSS","product_id":"SUSE Linux Enterprise Server 11 SP4 LTSS:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server 11 SP4 LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server 12 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP2-LTSS:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-devel as component of SUSE Linux Enterprise Server 12 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP2-LTSS:MozillaFirefox-devel"},"product_reference":"MozillaFirefox-devel","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-common as component of SUSE Linux Enterprise Server 12 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP2-LTSS:MozillaFirefox-translations-common"},"product_reference":"MozillaFirefox-translations-common","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server 12 SP4-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP4-LTSS:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP4-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-devel as component of SUSE Linux Enterprise Server 12 SP4-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP4-LTSS:MozillaFirefox-devel"},"product_reference":"MozillaFirefox-devel","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP4-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-common as component of SUSE Linux Enterprise Server 12 SP4-LTSS","product_id":"SUSE Linux Enterprise Server 12 SP4-LTSS:MozillaFirefox-translations-common"},"product_reference":"MozillaFirefox-translations-common","relates_to_product_reference":"SUSE Linux Enterprise Server 12 SP4-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server 15 SP1-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP1-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-devel as component of SUSE Linux Enterprise Server 15 SP1-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox-devel"},"product_reference":"MozillaFirefox-devel","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP1-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-common as component of SUSE Linux Enterprise Server 15 SP1-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox-translations-common"},"product_reference":"MozillaFirefox-translations-common","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP1-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-other as component of SUSE Linux Enterprise Server 15 SP1-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox-translations-other"},"product_reference":"MozillaFirefox-translations-other","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP1-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server 15 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-devel as component of SUSE Linux Enterprise Server 15 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox-devel"},"product_reference":"MozillaFirefox-devel","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-common as component of SUSE Linux Enterprise Server 15 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox-translations-common"},"product_reference":"MozillaFirefox-translations-common","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-other as component of SUSE Linux Enterprise Server 15 SP2-LTSS","product_id":"SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox-translations-other"},"product_reference":"MozillaFirefox-translations-other","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP2-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox as component of SUSE Linux Enterprise Server 15-LTSS","product_id":"SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox"},"product_reference":"MozillaFirefox","relates_to_product_reference":"SUSE Linux Enterprise Server 15-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-devel as component of SUSE Linux Enterprise Server 15-LTSS","product_id":"SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox-devel"},"product_reference":"MozillaFirefox-devel","relates_to_product_reference":"SUSE Linux Enterprise Server 15-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-common as component of SUSE Linux Enterprise Server 15-LTSS","product_id":"SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox-translations-common"},"product_reference":"MozillaFirefox-translations-common","relates_to_product_reference":"SUSE Linux Enterprise Server 15-LTSS"},{"category":"default_component_of","full_product_name":{"name":"MozillaFirefox-translations-other as component of SUSE Linux Enterprise Server 15-LTSS","product_id":"SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox-translations-other"},"product_reference":"MozillaFirefox-translations-other","relates_to_product_reference":"SUSE Linux Enterprise Server 15-LTSS"}]},"vulnerabilities":[{"cve":"CVE-2025-5270","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-5270"}],"notes":[{"category":"general","text":"In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability affects Firefox < 139 and Thunderbird < 139.","title":"CVE description"}],"product_status":{"known_affected":["SUSE Linux Enterprise Server 11 SP4 LTSS:MozillaFirefox","SUSE Linux Enterprise Server 12 SP2-LTSS:MozillaFirefox","SUSE Linux Enterprise Server 12 SP2-LTSS:MozillaFirefox-devel","SUSE Linux Enterprise Server 12 SP2-LTSS:MozillaFirefox-translations-common","SUSE Linux Enterprise Server 12 SP4-LTSS:MozillaFirefox","SUSE Linux Enterprise Server 12 SP4-LTSS:MozillaFirefox-devel","SUSE Linux Enterprise Server 12 SP4-LTSS:MozillaFirefox-translations-common","SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox","SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox-devel","SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox-translations-common","SUSE Linux Enterprise Server 15 SP1-LTSS:MozillaFirefox-translations-other","SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox","SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox-devel","SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox-translations-common","SUSE Linux Enterprise Server 15 SP2-LTSS:MozillaFirefox-translations-other","SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox","SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox-devel","SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox-translations-common","SUSE Linux Enterprise Server 15-LTSS:MozillaFirefox-translations-other"],"recommended":["openSUSE Tumbleweed:MozillaFirefox-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-branding-upstream-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-devel-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-translations-common-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-translations-other-139.0.1-1.1"]},"references":[{"category":"external","summary":"CVE-2025-5270","url":"https://www.suse.com/security/cve/CVE-2025-5270"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1243353 for CVE-2025-5270","url":"https://bugzilla.suse.com/1243353"}],"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":["openSUSE Tumbleweed:MozillaFirefox-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-branding-upstream-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-devel-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-translations-common-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-translations-other-139.0.1-1.1"]}],"scores":[{"cvss_v3":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"products":["openSUSE Tumbleweed:MozillaFirefox-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-branding-upstream-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-devel-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-translations-common-139.0.1-1.1","openSUSE Tumbleweed:MozillaFirefox-translations-other-139.0.1-1.1"]}],"threats":[{"category":"impact","date":"2025-05-20T06:45:27Z","details":"important"}],"title":"CVE-2025-5270"}]}