{"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-2026-26017","title":"Title"},{"category":"description","text":"CoreDNS is a DNS server that chains plugins. Prior to version 1.14.2, a logical vulnerability in CoreDNS allows DNS access controls to be bypassed due to the default execution order of plugins. Security plugins such as acl are evaluated before the rewrite plugin, resulting in a Time-of-Check Time-of-Use (TOCTOU) flaw. This issue has been patched in version 1.14.2.","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-2026-26017","url":"https://www.suse.com/security/cve/CVE-2026-26017"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1259320 for CVE-2026-26017","url":"https://bugzilla.suse.com/1259320"}],"title":"SUSE CVE 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Page","text":"https://www.suse.com/security/cve/CVE-2026-26017"}],"notes":[{"category":"general","text":"CoreDNS is a DNS server that chains plugins. Prior to version 1.14.2, a logical vulnerability in CoreDNS allows DNS access controls to be bypassed due to the default execution order of plugins. Security plugins such as acl are evaluated before the rewrite plugin, resulting in a Time-of-Check Time-of-Use (TOCTOU) flaw. This issue has been patched in version 1.14.2.","title":"CVE description"}],"product_status":{"recommended":["SUSE Package Hub 15 SP6:coredns-1.14.2-bp156.4.16.1","SUSE Package Hub 15 SP6:coredns-extras-1.14.2-bp156.4.16.1","openSUSE Leap 15.6:coredns-1.14.2-bp156.4.16.1","openSUSE Leap 15.6:coredns-extras-1.14.2-bp156.4.16.1","openSUSE Tumbleweed:coredns-1.14.2-1.1","openSUSE Tumbleweed:coredns-extras-1.14.2-1.1"]},"references":[{"category":"external","summary":"CVE-2026-26017","url":"https://www.suse.com/security/cve/CVE-2026-26017"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1259320 for CVE-2026-26017","url":"https://bugzilla.suse.com/1259320"}],"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 Package Hub 15 SP6:coredns-1.14.2-bp156.4.16.1","SUSE Package Hub 15 SP6:coredns-extras-1.14.2-bp156.4.16.1","openSUSE Leap 15.6:coredns-1.14.2-bp156.4.16.1","openSUSE Leap 15.6:coredns-extras-1.14.2-bp156.4.16.1","openSUSE Tumbleweed:coredns-1.14.2-1.1","openSUSE Tumbleweed:coredns-extras-1.14.2-1.1"]}],"scores":[{"cvss_v3":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"products":["SUSE Package Hub 15 SP6:coredns-1.14.2-bp156.4.16.1","SUSE Package Hub 15 SP6:coredns-extras-1.14.2-bp156.4.16.1","openSUSE Leap 15.6:coredns-1.14.2-bp156.4.16.1","openSUSE Leap 15.6:coredns-extras-1.14.2-bp156.4.16.1","openSUSE Tumbleweed:coredns-1.14.2-1.1","openSUSE Tumbleweed:coredns-extras-1.14.2-1.1"]}],"threats":[{"category":"impact","date":"2026-03-06T17:02:39Z","details":"important"}],"title":"CVE-2026-26017"}]}