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             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.2427                               
             OpenJDK 21.0.3 Security Update for Windows Builds             
                               19 April 2024                               
                                                                           
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        AusCERT Security Bulletin Summary
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Product:           OpenJDK 21.0.3                                          
Publisher:         Red Hat                                                 
Operating System:  Windows                                                 
                   Red Hat                                                 
Resolution:        Patch/Upgrade                                           
CVE Names:         CVE-2024-21011 CVE-2024-21068 CVE-2024-21012            

Original Bulletin:
   https://access.redhat.com/errata/RHSA-2024:1827

Comment: CVSS (Max):  3.7 CVE-2024-21068 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
         CVSS Source: Red Hat                                              
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N


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                Red Hat Security Advisory

Synopsis:          Moderate: OpenJDK 21.0.3 Security Update for
                   Windows Builds
Advisory ID:       RHSA-2024:1827
Product:           Red Hat Build of OpenJDK 21.0.3
Advisory URL:      https://access.redhat.com/errata/RHSA-2024:1827
Issue date:        2024-04-17
CVE Names:         CVE-2024-21011 CVE-2024-21012 CVE-2024-21068
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1. Summary:

An update is now available for OpenJDK.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a
detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.

2. Description:

The OpenJDK 21 packages provide the OpenJDK 21 Java Runtime Environment and the
OpenJDK 21 Java Software Development Kit.

This release of the Red Hat build of OpenJDK 21 (21.0.3) for Windows serves as a
replacement for the Red Hat build of OpenJDK 21 (21.0.2) and includes security
and bug fixes. For further information, refer to the release notes linked to in
the References section.

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: 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.

3. Solution:

For details on how to apply this update, which includes the changes described in
this advisory, refer to:

https://access.redhat.com/articles/11258

4. Bugs fixed (https://bugzilla.redhat.com/):

2274977 - CVE-2024-21011 - OpenJDK: long Exception message leading to crash
(8319851)
2274975 - CVE-2024-21012 - OpenJDK: HTTP/2 client improper reverse DNS lookup
(8315708)
2275003 - CVE-2024-21068 - OpenJDK: integer overflow in C1 compiler address
generation (8322122)
5. References:

https://access.redhat.com/security/cve/CVE-2024-21011
https://access.redhat.com/security/cve/CVE-2024-21012
https://access.redhat.com/security/cve/CVE-2024-21068
https://access.redhat.com/security/updates/classification/#moderate

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