CVE-2026-12353
Medium
Description
An unauthenticated attacker could trigger an Out of Memory condition to crash the Java process for RHCS by repeatedly sending HTTP requests to the TLS endpoint. Depending on how the RHCS server is configured, a manual intervention to restart it may prove necessary.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Red Hat Certificate System 9
PublishedJul 23, 2026
First seenJul 23, 2026
Weakness typeCWE-772CWE-772
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Certificate System 9 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 8 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 9 | No range specified | — |
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