{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-1519 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2026-1519 is a high-severity denial of service vulnerability in Isc Bind, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-1519 and fix it if it is affected.\n\nWhat it is: CVE-2026-1519 is a high-severity denial of service vulnerability in Isc Bind, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-1519 in the wild and no public exploit code.\n\nAffected product: Isc Bind. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-1519/ (Markdown: https://insights.sbomify.com/CVE-2026-1519/index.md)","id":"CVE-2026-1519","markdown":"https://insights.sbomify.com/CVE-2026-1519/index.md","name":"CVE-2026-1519","record":{"aliases":["ALPINE-CVE-2026-1519","ALSA-2026:7915","ALSA-2026:8075","ALSA-2026:8155","ALSA-2026:8312","ALSA-2026:8352","AZL-80978","BELL-CVE-2026-1519","CLSA-2026-1775735258","CLSA-2026-1777452704","CLSA-2026-1777453021","CLSA-2026-1777541752","CLSA-2026-1779214855","CLSA-2026-1779748226","CLSA-2026-1779960293","CLSA-2026-1780065945","CLSA-2026-1780066979","CLSA-2026-1780067897","CLSA-2026-1785886464","CLSA-2026-1786881091","CLSA-2026-1787093019","DEBIAN-CVE-2026-1519","DSA-6181-1","GHSA-84m6-p53c-x4wp","MINI-f6vv-2q2m-q2f9","OESA-2026-2058","OESA-2026-2059","OESA-2026-2060","OESA-2026-2061","OESA-2026-2062","RHSA-2026:11371","RHSA-2026:11372","RHSA-2026:15890","RHSA-2026:16060","RHSA-2026:16064","RHSA-2026:24500","RHSA-2026:24851","RHSA-2026:24934","RHSA-2026:25083","RHSA-2026:25171","RHSA-2026:25214","RHSA-2026:29110","RHSA-2026:7915","RHSA-2026:8075","RHSA-2026:8155","RHSA-2026:8312","RHSA-2026:8352","RLSA-2026:7915","RLSA-2026:8075","RLSA-2026:8155","RLSA-2026:8312","RLSA-2026:8352","SUSE-SU-2026:1209-1","SUSE-SU-2026:1229-1","SUSE-SU-2026:1230-1","SUSE-SU-2026:1312-1","SUSE-SU-2026:1366-1","SUSE-SU-2026:1428-1","UBUNTU-CVE-2026-1519"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"BIND DNS resolver","requires_auth":"none","summary":"A maliciously crafted zone causes excessive CPU consumption in BIND resolvers during DNSSEC validation, leading to denial of service.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"isc","cpe":[{"product":"bind","vendor":"isc"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"},{"id":"CWE-606","name":"Unchecked Input for Loop Condition"}],"description":"If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries (see: https://kb.isc.org/docs/why-does-my-authoritative-server-make-recursive-queries).\nThis issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.46, 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.46-S1, and 9.20.9-S1 through 9.20.20-S1.","ecosystems":["AlmaLinux:10","AlmaLinux:8","AlmaLinux:9","Red Hat:enterprise_linux:10.1","Red Hat:enterprise_linux:8::appstream","Red Hat:enterprise_linux:8::baseos","Red Hat:enterprise_linux:8::crb","Red Hat:enterprise_linux:9::appstream","Red Hat:enterprise_linux:9::crb","Red Hat:enterprise_linux_eus:10.0","Red Hat:rhel_aus:8.4::appstream","Red Hat:rhel_aus:8.4::baseos","Red Hat:rhel_aus:8.6::appstream","Red Hat:rhel_aus:8.6::baseos","Red Hat:rhel_e4s:8.6::appstream","Red Hat:rhel_e4s:8.6::baseos","Red Hat:rhel_e4s:8.8::appstream","Red Hat:rhel_e4s:8.8::baseos","Red Hat:rhel_e4s:9.2::appstream","Red Hat:rhel_e4s:9.4::appstream","Red Hat:rhel_els:6","Red Hat:rhel_els:7","Red Hat:rhel_eus:9.6::appstream","Red Hat:rhel_eus:9.6::crb","Red Hat:rhel_eus_long_life:8.4::appstream","Red Hat:rhel_eus_long_life:8.4::baseos","Red Hat:rhel_eus_long_life:8.6::appstream","Red Hat:rhel_tus:8.6::appstream","Red Hat:rhel_tus:8.6::baseos","Red Hat:rhel_tus:8.8::appstream","Red Hat:rhel_tus:8.8::baseos","Rocky Linux:10","Rocky Linux:8","Rocky Linux:9","SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS","SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS","SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS","SUSE:Linux Enterprise High Performance Computing 15 SP5-LTSS","SUSE:Linux Enterprise Micro 5.5","SUSE:Linux Enterprise Module for Basesystem 15 SP7","SUSE:Linux Enterprise Server 12 SP5-LTSS","SUSE:Linux Enterprise Server 15 SP4-LTSS","SUSE:Linux Enterprise Server 15 SP5-LTSS","SUSE:Linux Enterprise Server 15 SP6-LTSS","SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5","SUSE:Linux Enterprise Server for SAP Applications 15 SP4","SUSE:Linux Enterprise Server for SAP Applications 15 SP5","SUSE:Linux Enterprise Server for SAP Applications 15 SP6","SUSE:Manager Client Tools for SLE Micro 5","SUSE:Multi Linux Manager Tools SLE-Micro-5","openSUSE:Leap 15.6"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Excessive NSEC3 iterations cause high CPU load during insecure delegation validation","id":"CVE-2026-1519","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"isc:bind","products":["isc:bind"],"type":"denial_of_service","year":"2026"},"n_packages":432,"n_references":4,"next":{"headline":"rethinkdb Secondary Index cross site scripting","id":"CVE-2026-1520"},"packages":[{"ecosystem":"AlmaLinux:10","fixed":["32:9.18.33-10.el10_1.3"],"introduced":["0"],"last_affected":[],"package":"bind-doc","purl":"pkg:rpm/almalinux/bind-doc","source":"ALSA-2026:8312"},{"ecosystem":"AlmaLinux:10","fixed":["32:9.18.33-10.el10_1.3"],"introduced":["0"],"last_affected":[],"package":"bind-license","purl":"pkg:rpm/almalinux/bind-license","source":"ALSA-2026:8312"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind","purl":"pkg:rpm/almalinux/bind","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-chroot","purl":"pkg:rpm/almalinux/bind-chroot","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-devel","purl":"pkg:rpm/almalinux/bind-devel","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-export-devel","purl":"pkg:rpm/almalinux/bind-export-devel","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-export-libs","purl":"pkg:rpm/almalinux/bind-export-libs","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-libs","purl":"pkg:rpm/almalinux/bind-libs","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-libs-lite","purl":"pkg:rpm/almalinux/bind-libs-lite","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-license","purl":"pkg:rpm/almalinux/bind-license","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-lite-devel","purl":"pkg:rpm/almalinux/bind-lite-devel","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-pkcs11","purl":"pkg:rpm/almalinux/bind-pkcs11","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-pkcs11-devel","purl":"pkg:rpm/almalinux/bind-pkcs11-devel","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-pkcs11-libs","purl":"pkg:rpm/almalinux/bind-pkcs11-libs","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-pkcs11-utils","purl":"pkg:rpm/almalinux/bind-pkcs11-utils","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-sdb","purl":"pkg:rpm/almalinux/bind-sdb","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-sdb-chroot","purl":"pkg:rpm/almalinux/bind-sdb-chroot","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"bind-utils","purl":"pkg:rpm/almalinux/bind-utils","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16","purl":"pkg:rpm/almalinux/bind9.16","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-chroot","purl":"pkg:rpm/almalinux/bind9.16-chroot","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-devel","purl":"pkg:rpm/almalinux/bind9.16-devel","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-dnssec-utils","purl":"pkg:rpm/almalinux/bind9.16-dnssec-utils","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-doc","purl":"pkg:rpm/almalinux/bind9.16-doc","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-libs","purl":"pkg:rpm/almalinux/bind9.16-libs","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-license","purl":"pkg:rpm/almalinux/bind9.16-license","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"bind9.16-utils","purl":"pkg:rpm/almalinux/bind9.16-utils","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.11.36-16.el8_10.7"],"introduced":["0"],"last_affected":[],"package":"python3-bind","purl":"pkg:rpm/almalinux/python3-bind","source":"ALSA-2026:8352"},{"ecosystem":"AlmaLinux:8","fixed":["32:9.16.23-0.22.el8_10.5"],"introduced":["0"],"last_affected":[],"package":"python3-bind9.16","purl":"pkg:rpm/almalinux/python3-bind9.16","source":"ALSA-2026:8155"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind","purl":"pkg:rpm/almalinux/bind","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-chroot","purl":"pkg:rpm/almalinux/bind-chroot","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-devel","purl":"pkg:rpm/almalinux/bind-devel","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-dnssec-doc","purl":"pkg:rpm/almalinux/bind-dnssec-doc","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-dnssec-utils","purl":"pkg:rpm/almalinux/bind-dnssec-utils","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-doc","purl":"pkg:rpm/almalinux/bind-doc","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-libs","purl":"pkg:rpm/almalinux/bind-libs","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-license","purl":"pkg:rpm/almalinux/bind-license","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.16.23-34.el9_7.2"],"introduced":["0"],"last_affected":[],"package":"bind-utils","purl":"pkg:rpm/almalinux/bind-utils","source":"ALSA-2026:8075"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.18.29-5.el9_7.4"],"introduced":["0"],"last_affected":[],"package":"bind9.18","purl":"pkg:rpm/almalinux/bind9.18","source":"ALSA-2026:7915"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.18.29-5.el9_7.4"],"introduced":["0"],"last_affected":[],"package":"bind9.18-chroot","purl":"pkg:rpm/almalinux/bind9.18-chroot","source":"ALSA-2026:7915"},{"ecosystem":"AlmaLinux:9","fixed":["32:9.18.29-5.el9_7.4"],"introduced":["0"],"last_affected":[],"package":"bind9.18-devel","purl":"pkg:rpm/almalinux/bind9.18-devel","source":"ALSA-2026:7915"}],"prev":{"headline":"Keycloak Server-Side Request Forgery (SSRF) vulnerability","id":"CVE-2026-1518"},"products":["BIND 9"],"published":"2026-03-25","related":[{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2008-0122","kev_date_added":null,"published":"2008-01-16"},{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2001-0010","kev_date_added":null,"published":"2001-05-07"},{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2001-0011","kev_date_added":null,"published":"2001-05-07"},{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2001-0013","kev_date_added":null,"published":"2001-05-07"},{"cvss_score":10,"headline":"Memory corruption in n/a","id":"CVE-2000-1029","kev_date_added":null,"published":"2000-11-29"},{"cvss_score":10,"headline":"Denial of service in n/a","id":"CVE-1999-0837","kev_date_added":null,"published":"2000-01-04"},{"cvss_score":8.5,"headline":"Denial of service in n/a","id":"CVE-2012-1667","kev_date_added":null,"published":"2012-06-05"}],"sources":[{"class":"attribution","licence":"MIT","name":"AlmaLinux","prefix":"ALSA"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-17","vendors":["ISC"]},"summary":"A maliciously crafted zone causes excessive CPU consumption in BIND resolvers during DNSSEC validation, leading to denial of service.","url":"https://insights.sbomify.com/CVE-2026-1519/"}