{"document":{"aggregate_severity":{"namespace":"https://access.redhat.com/security/updates/classification/","text":"Important"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-13506.json"}],"title":"bouncycastle: Bouncy Castle for Java: Denial of Service via lazy ASN.1 sequence processing","tracking":{"current_release_date":"2026-08-28T16:55:01+00:00","generator":{"date":"2026-08-28T16:55:01+00:00","engine":{"name":"Red Hat 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7"},{"category":"product_version","name":"bcmail-jdk18on","product":{"name":"bcmail-jdk18on","product_id":"bcmail-jdk18on","product_identification_helper":{"purl":"pkg:maven/org.bouncycastle/bcmail-jdk18on"}}},{"category":"product_version","name":"jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","product":{"name":"jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","product_id":"jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","product_identification_helper":{"purl":"pkg:oci/eap74-els-openjdk11-openshift-rhel8?repository_url=registry.redhat.io/jboss-eap-7/eap74-els-openjdk11-openshift-rhel8"}}},{"category":"product_version","name":"jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","product":{"name":"jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","product_id":"jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","product_identification_helper":{"purl":"pkg:oci/eap74-els-openjdk17-openshift-rhel8?repository_url=registry.redhat.io/jboss-eap-7/eap74-els-openjdk17-openshift-rhel8"}}},{"category":"product_version","name":"jboss-eap-7/eap74-els-openjdk8-openshift-rhel8","product":{"name":"jboss-eap-7/eap74-els-openjdk8-openshift-rhel8","product_id":"jboss-eap-7/eap74-els-openjdk8-openshift-rhel8","product_identification_helper":{"purl":"pkg:oci/eap74-els-openjdk8-openshift-rhel8?repository_url=registry.redhat.io/jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"}}}],"category":"vendor","name":"Red Hat"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"bcmail-jdk18on as a component of Red Hat Fuse 7","product_id":"red_hat_fuse_7:bcmail-jdk18on"},"product_reference":"bcmail-jdk18on","relates_to_product_reference":"red_hat_fuse_7"},{"category":"default_component_of","full_product_name":{"name":"bcmail-jdk18on as a component of Red Hat JBoss Enterprise Application Platform 7","product_id":"red_hat_jboss_enterprise_application_platform_7:bcmail-jdk18on"},"product_reference":"bcmail-jdk18on","relates_to_product_reference":"red_hat_jboss_enterprise_application_platform_7"},{"category":"default_component_of","full_product_name":{"name":"jboss-eap-7/eap74-els-openjdk11-openshift-rhel8 as a component of Red Hat JBoss Enterprise Application Platform 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A remote attacker could exploit a vulnerability related to how the software processes lazy ASN.1 sequences, which can reset an internal nesting-depth guard. This issue could lead to a Denial of Service (DoS), making the affected system or application unavailable.","title":"Vulnerability description"},{"category":"summary","text":"bouncycastle: Bouncy Castle for Java: Denial of Service via lazy ASN.1 sequence processing","title":"Vulnerability summary"},{"category":"other","text":"This Important flaw in Bouncy Castle for Java can lead to a denial of service. A remote attacker could exploit a vulnerability in how lazy ASN.1 sequences are processed, allowing the resetting of an internal nesting-depth guard. This could result in resource exhaustion and make affected applications unavailable.","title":"Statement"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score applicability"}],"product_status":{"known_affected":["red_hat_fuse_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"]},"references":[{"category":"self","summary":"Canonical URL","url":"https://access.redhat.com/security/cve/CVE-2026-13506"},{"category":"external","summary":"RHBZ#2510257","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510257"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2026-13506","url":"https://www.cve.org/CVERecord?id=CVE-2026-13506"},{"category":"external","summary":"https://nvd.nist.gov/vuln/detail/CVE-2026-13506","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13506"},{"category":"external","summary":"https://github.com/bcgit/bc-java/commit/77454da9b3dcaaa2991412d1c3c1a6e1a338ff84","url":"https://github.com/bcgit/bc-java/commit/77454da9b3dcaaa2991412d1c3c1a6e1a338ff84"},{"category":"external","summary":"https://github.com/bcgit/bc-java/wiki/CVE-2026-13506","url":"https://github.com/bcgit/bc-java/wiki/CVE-2026-13506"}],"release_date":"2026-08-03T02:56:49.476000+00:00","remediations":[{"category":"workaround","details":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.","product_ids":["red_hat_fuse_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"]},{"category":"no_fix_planned","details":"Out of support scope","product_ids":["red_hat_fuse_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"]}],"scores":[{"cvss_v3":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["red_hat_fuse_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"]}],"threats":[{"category":"impact","details":"Important","product_ids":["red_hat_fuse_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:bcmail-jdk18on","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"]}],"title":"bouncycastle: Bouncy Castle for Java: Denial of Service via lazy ASN.1 sequence processing"}]}