Detections
Analytics
RHEL 7 / 8 / 9 : Java 11 OpenJDK ELS Security Update (Important) (RHSA-2026:9254)
high Nessus Plugin ID 309659
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:9254 advisory.The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.
This release contains OpenJDK 11 with Extended Lifecycle Support for Red Hat Enterprise Linux versions 7, 8, and 9.
Security Fix(es):
* JDK: LIBPNG: out-of-bounds read in png_image_read_composite (CVE-2025-66293)
* JDK: LIBPNG: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801)
* JDK: LIBPNG: has a heap buffer overflow in png_set_quantize (CVE-2026-25646)
* JDK: GIFLIB: Denial of Service via buffer overflow in EGifGCBToExtension (CVE-2026-26740)
* JDK: LIBPNG: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)
* JDK: LIBPNG: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)
* JDK: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695)
* JDK: (CVE-2026-22007)
* JDK: (CVE-2026-22016)
* JDK: (CVE-2026-22013)
* JDK: (CVE-2026-22018)
* JDK: (CVE-2026-22021)
* JDK: (CVE-2026-34268)
* JDK: (CVE-2026-34282)
* JDK: (CVE-2026-23865)
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.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 309659
File Name: redhat-RHSA-2026-9254.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/22/2026
Updated: 4/22/2026
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 7.6
Temporal Score: 6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-25646
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.3
Threat Score: 7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-static-libs-slowdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-fastdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-jmods, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-jmods-fastdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-devel-fastdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-javadoc-zip-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-src, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-devel, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-devel-slowdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-slowdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-static-libs, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-headless-fastdebug, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-headless-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-src-slowdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-static-libs-fastdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-static-libs-debug, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-devel-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-javadoc-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-jmods-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-demo-slowdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-demo-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-headless-slowdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-headless, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-javadoc-zip, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-javadoc, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-src-debug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-src-fastdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-demo-fastdebug, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-demo, p-cpe:/a:redhat:enterprise_linux:java-11-openjdk-jmods-slowdebug
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 4/22/2026
Vulnerability Publication Date: 12/3/2025
Reference Information
CVE: CVE-2025-66293, CVE-2026-22007, CVE-2026-22013, CVE-2026-22016, CVE-2026-22018, CVE-2026-22021, CVE-2026-22695, CVE-2026-22801, CVE-2026-23865, CVE-2026-25646, CVE-2026-26740, CVE-2026-33416, CVE-2026-33636, CVE-2026-34268, CVE-2026-34282