CVE-2026-50011 (GCVE-0-2026-50011)

Vulnerability from cvelistv5 – Published: 2026-06-12 14:52 – Updated: 2026-08-12 12:04
VLAI
Title
Netty has unbounded pre-allocation in RedisArrayAggregator from RESP array length
Summary
Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, RedisArrayAggregator pre-allocates ArrayList with initial capacity equal to the RESP array element count declared in an array header. That count is taken from the wire before the corresponding child messages exist. A small malicious header can claim a huge initial capacity. Versions 4.1.135.Final and 4.2.15.Final patch the issue.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-12 15:59 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
netty netty Affected: >= 4.2.0.Final, < 4.2.15.Final
Affected: < 4.1.135.Final
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Red Hat Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16 Unaffected: codec-redis , < * (rpm)
    cpe:/a:redhat:apache_camel_spring_boot:4.18
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Red Hat Red Hat Data Grid 8.6.2 Unaffected: codec-redis , < * (rpm)
    cpe:/a:redhat:jboss_data_grid:8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4.25 Unaffected: codec-redis , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.16.0-22.redhat_00057.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.3.14-11.SP11_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:1.5.26-2.Final_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.18.8-1.redhat_00003.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:5.0.31-3.SP2_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:1.10.0-46.Final_redhat_00044.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:4.1.135-1.Final_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.5.5-30.SP12_redhat_00020.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.5.5-24.SP12_redhat_00016.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.2.40-2.SP3_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:7.4.25-2.GA_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 8.1 Unaffected: codec-redis , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9
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Red Hat Red Hat Fuse 7     cpe:/a:redhat:jboss_fuse:7
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Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
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Red Hat Red Hat Single Sign-On 7     cpe:/a:redhat:red_hat_single_sign_on:7
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            "value": "RHSA-2026:53644: Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server"
          },
          {
            "lang": "en",
            "value": "RHSA-2026:41951: Red Hat Data Grid 8.6.2"
          },
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            "lang": "en",
            "value": "RHSA-2026:53806: Red Hat JBoss Enterprise Application Platform 7.4.25"
          },
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            "lang": "en",
            "value": "RHSA-2026:50085: Red Hat JBoss Enterprise Application Platform 8.1"
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            "lang": "en",
            "value": "RHSA-2026:37390: Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16"
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            "time": "2026-06-12T16:01:17.003Z",
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            "lang": "en",
            "time": "2026-06-12T14:52:18.042Z",
            "value": "Made public."
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            "lang": "en",
            "value": "To mitigate this issue, restrict network access to services that utilize the netty-codec-redis component and process Redis traffic. Configure firewalls or network access control lists (ACLs) to limit connections to these services from trusted networks or localhost only. This reduces the attack surface by preventing untrusted remote attackers from sending malicious Redis array headers. Consult product-specific documentation for detailed instructions on configuring network access for affected Red Hat products. Reloading or restarting services may be required for network configuration changes to take effect, which could temporarily impact availability."
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  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.