CVE-2026-16440

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations...

5.7 Medium

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Active

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.30%Up 0.1 points since Aug 20, 2026

What each source reports

CVE List Score used 5.7

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Record: CVE-2026-16440
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Weakness: CWE-674
Updated: 2026-11-02

EUVDEUVD-2026-62368 5.7

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Record: EUVD-2026-62368
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jxfm-5353-qwhv 5.7

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations...

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Record: GHSA-jxfm-5353-qwhv
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-674
Updated: 2026-11-02

NVD 5.7

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Record: CVE-2026-16440
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-674
Updated: 2026-11-02

OSV 5.7

In Eclipse OpenJ9 versions up to 0.60, a crafted .class file with deeply nested annotations causes a segmentation fault.

Record: CVE-2026-16440
CVSS 4.0: 5.7 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Weakness: CWE-674
Updated: 2026-11-02

OSVRHSA-2026:70630 6.8

Red Hat Security Advisory: java-1.8.0-ibm security update

Record: RHSA-2026:70630
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

OSVRHSA-2026:72888 6.8

Red Hat Security Advisory: java-21-ibm-semeru-certified-jdk security update

Record: RHSA-2026:72888
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

OSVSUSE-SU-2026:4107-1 No score

Security update for java-1_8_0-ibm

This update for java-1_8_0-ibm fixes the following issues:

Update to Java 8.0 Service Refresh 8 Fix Pack 71 (bsc#1277833):

CVE-2026-8400: flaw in the ORB component may allow a malicious IIOP server to induce loading and instantation of arbitrary classes (bsc#1274276).
CVE-2026-16243: arraycmp SIMD implementation for Z and P does not check if the number of bytes to compare is zero (bsc#1274275).
CVE-2026-16440: a crafted .class file with deeply nested annotations causes a segmentation fault (bsc#1275779).
CVE-2026-60589: OpenJDK: Improve Resource Resolving (bsc#1275777).
CVE-2026-61308: OpenJDK: Enhance HTTP Connections (bsc#1275778).
CVE-2026-70906: OpenJDK: Improve font loading (bsc#1275763).
CVE-2026-70907: OpenJDK: Enhance TLS server (bsc#1275764).
CVE-2026-71054: Vulnerability in Oracle Java SE (component: 2D) (bsc#1277019).
Oracle August 18 2026 CSPU and IBM Security Update August 2026 (bsc#1277833).

Record: SUSE-SU-2026:4107-1
Updated: 2026-11-02

OSVSUSE-SU-2026:4153-1 No score

Security update for java-1_8_0-ibm

This update for java-1_8_0-ibm fixes the following issues:

Update to Java 8.0 Service Refresh 8 Fix Pack 71 (bsc#1277833):

CVE-2026-8400: flaw in the ORB component may allow a malicious IIOP server to induce loading and instantation of arbitrary classes (bsc#1274276).
CVE-2026-16243: arraycmp SIMD implementation for Z and P does not check if the number of bytes to compare is zero (bsc#1274275).
CVE-2026-16440: a crafted .class file with deeply nested annotations causes a segmentation fault (bsc#1275779).
CVE-2026-60589: OpenJDK: Improve Resource Resolving (bsc#1275777).
CVE-2026-61308: OpenJDK: Enhance HTTP Connections (bsc#1275778).
CVE-2026-70906: OpenJDK: Improve font loading (bsc#1275763).
CVE-2026-70907: OpenJDK: Enhance TLS server (bsc#1275764).
CVE-2026-71054: Vulnerability in Oracle Java SE (component: 2D) (bsc#1277019).
Oracle August 18 2026 CSPU and IBM Security Update August 2026 (bsc#1277833).

Record: SUSE-SU-2026:4153-1
Updated: 2026-11-02

Affected products

eclipse foundation openj9

Affected packages

Affected packages
Package	Affected	Fixed
`java-1.8.0-ibm` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-demo` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-devel` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-headless` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-jdbc` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-plugin` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-src` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-1.8.0-ibm-webstart` Red Hat:enterprise_linux:8::supplementary From an advisory covering 4 CVEs	before 1:1.8.0.8.71-1.el8_10	1:1.8.0.8.71-1.el8_10
`java-21-ibm-semeru-certified-jdk` Red Hat:enterprise_linux_eus:10.0 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-1.el10_0	1:21.0.12.1.1-1.el10_0
`java-21-ibm-semeru-certified-jdk-headless` Red Hat:enterprise_linux_eus:10.0 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-1.el10_0	1:21.0.12.1.1-1.el10_0

Show 16 moreShow less

Affected packages
Package	Affected	Fixed
`java-21-ibm-semeru-certified-jdk` Red Hat:enterprise_linux:10.2 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-2.el10_2	1:21.0.12.1.1-2.el10_2
`java-21-ibm-semeru-certified-jdk-devel` Red Hat:enterprise_linux:10.2 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-2.el10_2	1:21.0.12.1.1-2.el10_2
`java-21-ibm-semeru-certified-jdk-headless` Red Hat:enterprise_linux:10.2 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-2.el10_2	1:21.0.12.1.1-2.el10_2
`java-21-ibm-semeru-certified-jdk-jmods` Red Hat:enterprise_linux:10.2 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-2.el10_2	1:21.0.12.1.1-2.el10_2
`java-21-ibm-semeru-certified-jdk-src` Red Hat:enterprise_linux:10.2 From an advisory covering 4 CVEs	before 1:21.0.12.1.1-2.el10_2	1:21.0.12.1.1-2.el10_2
`java-1_8_0-ibm` SUSE:Linux Enterprise Server 12 SP5-LTSS From an advisory covering 8 CVEs	before 1.8.0_sr8.71-30.156.1	1.8.0_sr8.71-30.156.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 From an advisory covering 8 CVEs	before 1.8.0_sr8.71-30.156.1	1.8.0_sr8.71-30.156.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Module for Legacy 15 SP7 From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server 15 SP4-LTSS From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server 15 SP5-LTSS From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server 15 SP6-LTSS From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server for SAP Applications 15 SP4 From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server for SAP Applications 15 SP5 From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1
`java-1_8_0-ibm` SUSE:Linux Enterprise Server for SAP Applications 15 SP6 From an advisory covering 8 CVEs	before 1.8.0_sr8.71-150000.3.125.1	1.8.0_sr8.71-150000.3.125.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-16440 is a medium vulnerability (CVSS 5.7) in Eclipse Foundation Openj9, published August 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.

References

Show 38 moreShow less