{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-3832","sourceIdentifier":"secalert@redhat.com","published":"2026-04-30T18:16:30.433","lastModified":"2026-11-06T19:17:50.470","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status Protocol (OCSP) response during a TLS handshake. Due to a logic error in how gnutls processes multi-record OCSP responses, a client with OCSP verification enabled may incorrectly accept a revoked server certificate, potentially leading to a compromise of trust."},{"lang":"es","value":"Se encontró una falla en gnutls. Un atacante remoto podría explotar esta vulnerabilidad al presentar una respuesta del Protocolo de Estado de Certificado en Línea (OCSP) especialmente diseñada durante un handshake TLS. Debido a un error de lógica en cómo gnutls procesa las respuestas OCSP de múltiples registros, un cliente con la verificación OCSP habilitada podría aceptar incorrectamente un certificado de servidor revocado, lo que podría llevar a un compromiso de la confianza."}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"defaultStatus":"unaffected","collectionURL":"https://gitlab.com/gnutls/gnutls","packageName":"gnutls","versions":[{"version":"0","lessThan":"3.8.13","versionType":"semver","status":"affected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"versions":[{"version":"0:3.8.10-4.el10_2","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10.0 Extended Update Support","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/o:redhat:enterprise_linux_eus:10.0"],"versions":[{"version":"0:3.8.9-9.el10_0.19","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/o:redhat:enterprise_linux:9::baseos"],"versions":[{"version":"0:3.8.10-4.el9_8","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream","cpe:/o:redhat:enterprise_linux:9::baseos"],"versions":[{"version":"0:3.8.10-4.el9_8","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.17","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/jetstack-cert-manager-acmesolver-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.17::el9"],"versions":[{"version":"1791371080","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.17","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/jetstack-cert-manager-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.17::el9"],"versions":[{"version":"1791371069","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.17","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/cert-manager-operator-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.17::el9"],"versions":[{"version":"1791788287","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.17","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/cert-manager-operator-bundle","cpes":["cpe:/a:redhat:cert_manager:1.17::el9"],"versions":[{"version":"1791970484","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.18","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/jetstack-cert-manager-acmesolver-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.18::el9"],"versions":[{"version":"1791459707","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.18","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/jetstack-cert-manager-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.18::el9"],"versions":[{"version":"1791459711","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.18","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/cert-manager-istio-csr-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.18::el9"],"versions":[{"version":"1791459759","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.18","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/cert-manager-operator-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.18::el9"],"versions":[{"version":"1789029076","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.18","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/cert-manager-operator-bundle","cpes":["cpe:/a:redhat:cert_manager:1.18::el9"],"versions":[{"version":"1791966259","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Cert Manager support for Red Hat OpenShift release 1.20","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"cert-manager/cert-manager-trust-manager-rhel9","cpes":["cpe:/a:redhat:cert_manager:1.20::el9"],"versions":[{"version":"1790598593","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Discovery 2","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"discovery/discovery-server-rhel9","cpes":["cpe:/a:redhat:discovery:2::el9"],"versions":[{"version":"1782159791","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Discovery 2","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"discovery/discovery-ui-rhel9","cpes":["cpe:/a:redhat:discovery:2::el9"],"versions":[{"version":"1782166952","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Hardened Images","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"gnutls-main","cpes":["cpe:/a:redhat:hummingbird:1"],"versions":[{"version":"3.8.13-1.hum1","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/cds-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1781525684","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/haproxy-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1781525671","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/installer-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1781525693","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/rhua-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1781525739","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/cds-kubernetes-tp-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1787241211","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/installer-tp-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1787135742","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Update Infrastructure 5","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhui5/rhua-tp-rhel9","cpes":["cpe:/a:redhat:rhui:5::el9"],"versions":[{"version":"1787241260","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/o:redhat:rhel_els:6"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"gnutls","cpes":["cpe:/a:redhat:enterprise_linux:8"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","defaultStatus":"unknown","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift4/ose-hypershift-rhel9","cpes":["cpe:/a:redhat:openshift:4"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift/ose-rhel-coreos-8","cpes":["cpe:/a:redhat:openshift:4"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"openshift/ose-rhel-coreos-9","cpes":["cpe:/a:redhat:openshift:4"]}]}],"metrics":{"cvssMetricV31":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-30T18:22:07.438915Z","id":"CVE-2026-3832","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-179"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gnu:gnutls:-:*:*:*:*:*:*:*","matchCriteriaId":"33A22858-21E1-479F-A9C4-AD2EFD059B93"},{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*","matchCriteriaId":"87DEB507-5B64-47D7-9A50-3B87FD1E571F"},{"vulnerable":true,"criteria":"cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*","matchCriteriaId":"932D137F-528B-4526-9A89-CD59FA1AB0FE"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*","matchCriteriaId":"2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"142AD0DD-4CF3-4D74-9442-459CE3347E3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"F4CFF558-3C47-480D-A2F0-BABF26042943"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"7F6FB57C-2BC7-487C-96DD-132683AEB35D"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"D65C2163-CFC2-4ABB-8F4E-CB09CEBD006C"}]}]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:13274","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:20612","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:20613","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:26319","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:26409","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:29197","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:58981","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72502","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82304","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82322","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82347","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82354","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82372","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82857","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82888","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-3832","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445762","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://gitlab.com/gnutls/gnutls/-/issues/1801","source":"secalert@redhat.com","tags":["Exploit","Issue Tracking","Vendor Advisory"]},{"url":"https://gitlab.com/gnutls/gnutls/-/issues/1801","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Issue Tracking","Vendor Advisory"]}]}}