{"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-2026-12802.json"}],"title":"bouncycastle: bcpkix-fips: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption.","tracking":{"current_release_date":"2026-09-02T15:50:31+00:00","generator":{"date":"2026-09-02T15:50:31+00:00","engine":{"name":"Red Hat 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7","product_id":"red_hat_jboss_enterprise_application_platform_7","product_identification_helper":{"cpe":"cpe:/a:redhat:jboss_enterprise_application_platform:7"}}}],"category":"product_family","name":"Red Hat JBoss Enterprise Application Platform 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 7","product_id":"red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk11-openshift-rhel8"},"product_reference":"jboss-eap-7/eap74-els-openjdk11-openshift-rhel8","relates_to_product_reference":"red_hat_jboss_enterprise_application_platform_7"},{"category":"default_component_of","full_product_name":{"name":"jboss-eap-7/eap74-els-openjdk17-openshift-rhel8 as a component of Red Hat JBoss Enterprise Application Platform 7","product_id":"red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk17-openshift-rhel8"},"product_reference":"jboss-eap-7/eap74-els-openjdk17-openshift-rhel8","relates_to_product_reference":"red_hat_jboss_enterprise_application_platform_7"},{"category":"default_component_of","full_product_name":{"name":"jboss-eap-7/eap74-els-openjdk8-openshift-rhel8 as a component of Red Hat JBoss Enterprise Application Platform 7","product_id":"red_hat_jboss_enterprise_application_platform_7:jboss-eap-7/eap74-els-openjdk8-openshift-rhel8"},"product_reference":"jboss-eap-7/eap74-els-openjdk8-openshift-rhel8","relates_to_product_reference":"red_hat_jboss_enterprise_application_platform_7"}]},"vulnerabilities":[{"cve":"CVE-2026-12802","cwe":{"id":"CWE-347","name":"Improper Verification of Cryptographic Signature"},"discovery_date":"2026-08-03T04:00:56.440793+00:00","ids":[{"system_name":"Red Hat Bugzilla ID","text":"2510254"}],"notes":[{"category":"description","text":"A flaw was found in Bouncy Castle for Java. This vulnerability allows a remote attacker to compromise the integrity of data during the decryption of Cryptographic Message Syntax (CMS) AuthEnvelopedData. The software fails to properly enforce the tag-length, which could enable an attacker to manipulate encrypted data without detection.","title":"Vulnerability description"},{"category":"summary","text":"bouncycastle: bcpkix-fips: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption.","title":"Vulnerability summary"},{"category":"other","text":"This is an Important integrity flaw in Bouncy Castle for Java, affecting components used in Red Hat products such as JBoss Fuse and Enterprise Application Platform. A remote attacker can exploit insufficient tag-length enforcement during CMS AuthEnvelopedData decryption to alter encrypted data without detection, impacting the trustworthiness of information processed by affected applications.","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-2026-12802"},{"category":"external","summary":"RHBZ#2510254","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2510254"},{"category":"external","summary":"https://www.cve.org/CVERecord?id=CVE-2026-12802","url":"https://www.cve.org/CVERecord?id=CVE-2026-12802"},{"category":"external","summary":"https://nvd.nist.gov/vuln/detail/CVE-2026-12802","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12802"},{"category":"external","summary":"https://github.com/bcgit/bc-java/commit/0fefa539e6ac5c66e1daee5a13b23d1d4769cc01","url":"https://github.com/bcgit/bc-java/commit/0fefa539e6ac5c66e1daee5a13b23d1d4769cc01"},{"category":"external","summary":"https://github.com/bcgit/bc-java/wiki/CVE-2026-12802","url":"https://github.com/bcgit/bc-java/wiki/CVE-2026-12802"}],"release_date":"2026-08-03T02:48:42.672000+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":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","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: bcpkix-fips: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption."}]}