Red Hat Security Advisory: java-11-openjdk security update
The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit. Security Fix(es): * OpenJDK: long Exception message leading to crash (8319851) (CVE-2024-21011) * OpenJDK: integer overflow in C1 compiler address generation (8322122) (CVE-2024-21068) * OpenJDK: Pack200 excessive memory allocation (8322114) (CVE-2024-21085) * OpenJDK: C2 compilation fails with "Exceeded _node_regs array" (8317507) (CVE-2024-21094) * OpenJDK: HTTP/2 client improper reverse DNS lookup (8315708) (CVE-2024-21012) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The Red Hat Security Advisory RHSA-2024:1821 provides fixes for five vulnerabilities in the java-11-openjdk packages for Red Hat Enterprise Linux 7. The issues include CVE-2024-21011 (long exception message leading to 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 address these flaws and recommends applying the update and restarting Java instances.
Potential Impact
The vulnerabilities can cause application crashes, excessive memory usage, compilation failures, and improper network behavior due to reverse DNS lookup issues. Red Hat rates the overall security impact as moderate. 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 fix these vulnerabilities. Users should apply the update as described in the 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
The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit. Security Fix(es): * OpenJDK: long Exception message leading to crash (8319851) (CVE-2024-21011) * OpenJDK: integer overflow in C1 compiler address generation (8322122) (CVE-2024-21068) * OpenJDK: Pack200 excessive memory allocation (8322114) (CVE-2024-21085) * OpenJDK: C2 compilation fails with "Exceeded _node_regs array" (8317507) (CVE-2024-21094) * OpenJDK: HTTP/2 client improper reverse DNS lookup (8315708) (CVE-2024-21012) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat Security Advisory RHSA-2024:1821 provides fixes for five vulnerabilities in the java-11-openjdk packages for Red Hat Enterprise Linux 7. The issues include CVE-2024-21011 (long exception message leading to 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 address these flaws and recommends applying the update and restarting Java instances.
Potential Impact
The vulnerabilities can cause application crashes, excessive memory usage, compilation failures, and improper network behavior due to reverse DNS lookup issues. Red Hat rates the overall security impact as moderate. 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 fix these vulnerabilities. Users should apply the update as described in the 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"]
Threat ID: 6a3da1fc4853345fc1835cc3
Added to database: 06/25/2026, 21:47:40 UTC
Last enriched: 08/07/2026, 03:19:25 UTC
Last updated: 09/10/2026, 19:24:53 UTC
Views: 95
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.