Linux · Security advisory · January 23, 2026
RLSA-2026:0927: java-17-openjdk security update
RLSA-2026:0927, released January 23, 2026, fixes 5 CVEs in java-17-openjdk (version 1:17.0.18.0.8-1.el8). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0099
62nd percentile
Priority of the 5 CVEs
Patch now 0
Urgent 0
High 5
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| java-17-openjdk | rocky 8 | 1:17.0.18.0.8-1.el8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-21945 | Java(TM) SE Development Kit 21 and 1 other: Uncontrolled Resource Consumption | 7.5 | 0.0099 | None reported | |
| High | CVE-2025-64720 | LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite` via incorrect palette premultiplication | 7.5 | 0.0045 | None reported | |
| High | CVE-2026-21933 | Java(TM) SE Development Kit 21 and 1 other: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product… | 7.5 | 0.0030 | None reported | |
| High | CVE-2025-65018 | LIBPNG is vulnerable to a heap buffer overflow in `png_combine_row` triggered via `png_image_finish_read` | 7.5 | 0.0028 | None reported | |
| High | CVE-2026-21925 | Java(TM) SE Development Kit 21 and 1 other: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product… | 7.5 | 0.0025 | None reported |
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