A flaw was found in the DERDecoder class within wildfly-elytron-asn1. A remote attacker can exploit this resource exhaustion vulnerability by sending a specially crafted DER (Distinguished Encoding Rules) payload. The decoder attempts to allocate excessive memory based on an inflated length value without proper validation, leading to Java Virtual Machine (JVM) memory exhaustion. This results in a remote Denial of Service (DoS) for services that process untrusted DER/ASN.1 input, including SASL (Simple Authentication and Security Layer) authentication mechanisms and X.500 certificate principal parsing paths.

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Fixes

Solution

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Workaround

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.

History

Tue, 22 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:jboss_enterprise_application_platform:8 cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9
References

Mon, 21 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat build Of Apache Camel - Hawtio
Redhat build Of Apache Camel For Quarkus
Redhat build Of Debezium 3
Redhat build Of Keycloak
Redhat build Of Quarkus
Redhat data Grid 8
Redhat jboss Enterprise Application Platform Expansion Pack
Redhat process Automation
Redhat quay 3
Redhat single Sign-on
Vendors & Products Redhat build Of Apache Camel - Hawtio
Redhat build Of Apache Camel For Quarkus
Redhat build Of Debezium 3
Redhat build Of Keycloak
Redhat build Of Quarkus
Redhat data Grid 8
Redhat jboss Enterprise Application Platform Expansion Pack
Redhat process Automation
Redhat quay 3
Redhat single Sign-on

Sat, 19 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 18 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in the DERDecoder class within wildfly-elytron-asn1. A remote attacker can exploit this resource exhaustion vulnerability by sending a specially crafted DER (Distinguished Encoding Rules) payload. The decoder attempts to allocate excessive memory based on an inflated length value without proper validation, leading to Java Virtual Machine (JVM) memory exhaustion. This results in a remote Denial of Service (DoS) for services that process untrusted DER/ASN.1 input, including SASL (Simple Authentication and Security Layer) authentication mechanisms and X.500 certificate principal parsing paths.
Title Org.wildfly.security/wildfly-elytron-asn1: unbounded memory allocation in wildfly elytron asn.1 derdecoder via crafted der payload
First Time appeared Redhat
Redhat apache Camel Hawtio
Redhat build Keycloak
Redhat camel Quarkus
Redhat cryostat
Redhat debezium
Redhat jboss Data Grid
Redhat jboss Enterprise Application Platform
Redhat jboss Enterprise Bpms Platform
Redhat jboss Fuse
Redhat jbosseapxp
Redhat lightspeed For Runtimes
Redhat quarkus
Redhat red Hat Single Sign On
Weaknesses CWE-770
CPEs cpe:/a:redhat:apache_camel_hawtio:4
cpe:/a:redhat:build_keycloak:
cpe:/a:redhat:camel_quarkus:3
cpe:/a:redhat:cryostat:4
cpe:/a:redhat:debezium:3
cpe:/a:redhat:jboss_data_grid:8
cpe:/a:redhat:jboss_enterprise_application_platform:7
cpe:/a:redhat:jboss_enterprise_application_platform:8
cpe:/a:redhat:jboss_enterprise_bpms_platform:7
cpe:/a:redhat:jboss_fuse:7
cpe:/a:redhat:jbosseapxp
cpe:/a:redhat:lightspeed_for_runtimes:1
cpe:/a:redhat:quarkus:3
cpe:/a:redhat:red_hat_single_sign_on:7
Vendors & Products Redhat
Redhat apache Camel Hawtio
Redhat build Keycloak
Redhat camel Quarkus
Redhat cryostat
Redhat debezium
Redhat jboss Data Grid
Redhat jboss Enterprise Application Platform
Redhat jboss Enterprise Bpms Platform
Redhat jboss Fuse
Redhat jbosseapxp
Redhat lightspeed For Runtimes
Redhat quarkus
Redhat red Hat Single Sign On
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-22T15:41:48.854Z

Reserved: 2026-06-04T10:22:47.465Z

Link: CVE-2026-10832

cve-icon Vulnrichment

Updated: 2026-09-18T15:34:02.514Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T15:17:04.710

Modified: 2026-09-22T16:17:37.120

Link: CVE-2026-10832

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-18T14:13:32Z

Links: CVE-2026-10832 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-21T19:25:28Z

Weaknesses