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{"bugzilla": {"description": "netty-codec-redis: netty-codec-redis: Denial of Service via crafted Redis payloads", "id": "2488053", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488053"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["Netty is a network application framework for development of protocol servers and clients. In netty-codec-redis prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can cause DoS by sending crafted Redis payloads across multiple connections without `\\r\\n`. This exhausts the server's direct memory pool (OutOfDirectMemoryError), preventing legitimate connections from being processed. Versions 4.1.135.Final and 4.2.15.Final patch the issue.", "A flaw was found in netty-codec-redis. A remote attacker can exploit this vulnerability by sending specially crafted Redis payloads across multiple connections without proper termination. This can exhaust the server's direct memory pool, leading to a Denial of Service (DoS) condition where legitimate connections cannot be processed."], "mitigation": {"lang": "en:us", "value": "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."}, "name": "CVE-2026-44890", "package_state": [{"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "netty-codec-redis", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Affected", "package_name": "netty-codec-redis", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "netty-codec-redis", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Affected", "package_name": "netty-codec-redis", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "netty-codec-redis", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Affected", "package_name": "netty-codec-redis", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-06-11T20:52:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-44890\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-44890\nhttps://github.com/netty/netty/releases/tag/netty-4.1.135.Final\nhttps://github.com/netty/netty/releases/tag/netty-4.2.15.Final\nhttps://github.com/netty/netty/security/advisories/GHSA-6ghj-frrj-jjj3"], "statement": "This flaw is rated as Important as it allows a remote, unauthenticated attacker to cause a denial of service in applications utilizing `netty-codec-redis` or `netty-handler`. By sending specially crafted Redis payloads without proper termination, an attacker can exhaust the server's direct memory pool, preventing legitimate connections and disrupting service availability. This impacts Red Hat products that process Redis traffic via affected Netty components.", "threat_severity": "Important"}

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