Red Hat Security Advisory: java-11-openjdk security update
A security update for the java-11-openjdk packages on Red Hat Enterprise Linux 7 addresses multiple vulnerabilities including crashes from long exception messages, integer overflow in compiler address generation, excessive memory allocation, compilation failures, and improper reverse DNS lookups in the HTTP/2 client. These issues have been rated with moderate severity by Red Hat Product Security. The update requires restarting all running OpenJDK Java instances to take effect.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2024:1821 addresses five vulnerabilities in the java-11-openjdk packages for Red Hat Enterprise Linux 7. The fixed issues include: CVE-2024-21011 (long exception message causing crash), CVE-2024-21068 (integer overflow in C1 compiler address generation), CVE-2024-21085 (Pack200 excessive memory allocation), CVE-2024-21094 (C2 compilation failure due to exceeded _node_regs array), and CVE-2024-21012 (HTTP/2 client improper reverse DNS lookup). These vulnerabilities affect the OpenJDK 11 Java Runtime Environment and Software Development Kit. Red Hat has released updated packages to remediate these issues and recommends restarting all OpenJDK Java instances after applying the update.
Potential Impact
The vulnerabilities could lead to application crashes, excessive memory consumption, compilation failures, and improper network behavior due to reverse DNS lookup issues. The overall security impact is rated as moderate by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated java-11-openjdk packages for Red Hat Enterprise Linux 7 that address these vulnerabilities. Users should apply the update as detailed in Red Hat advisory RHSA-2024:1821 and restart all running OpenJDK Java instances for the fixes to take effect. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: java-11-openjdk security update
Description
A security update for the java-11-openjdk packages on Red Hat Enterprise Linux 7 addresses multiple vulnerabilities including crashes from long exception messages, integer overflow in compiler address generation, excessive memory allocation, compilation failures, and improper reverse DNS lookups in the HTTP/2 client. These issues have been rated with moderate severity by Red Hat Product Security. The update requires restarting all running OpenJDK Java instances to take effect.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2024:1821 addresses five vulnerabilities in the java-11-openjdk packages for Red Hat Enterprise Linux 7. The fixed issues include: CVE-2024-21011 (long exception message causing crash), CVE-2024-21068 (integer overflow in C1 compiler address generation), CVE-2024-21085 (Pack200 excessive memory allocation), CVE-2024-21094 (C2 compilation failure due to exceeded _node_regs array), and CVE-2024-21012 (HTTP/2 client improper reverse DNS lookup). These vulnerabilities affect the OpenJDK 11 Java Runtime Environment and Software Development Kit. Red Hat has released updated packages to remediate these issues and recommends restarting all OpenJDK Java instances after applying the update.
Potential Impact
The vulnerabilities could lead to application crashes, excessive memory consumption, compilation failures, and improper network behavior due to reverse DNS lookup issues. The overall security impact is rated as moderate by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released updated java-11-openjdk packages for Red Hat Enterprise Linux 7 that address these vulnerabilities. Users should apply the update as detailed in Red Hat advisory RHSA-2024:1821 and restart all running OpenJDK Java instances for the fixes to take effect. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:1821
- Cve Count
- 5
- Additional Cves
- ["CVE-2024-21012","CVE-2024-21068","CVE-2024-21085","CVE-2024-21094"]
- Cvss Version
- null
Threat ID: 6a3da1fc4853345fc1835cc3
Added to database: 06/25/2026, 21:47:40 UTC
Last enriched: 06/25/2026, 22:52:33 UTC
Last updated: 07/02/2026, 12:51:10 UTC
Views: 15
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