CVE-2026-12353

Public on 2026-07-23

Modified on 2026-07-24

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.

Severity

Medium

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CVSS v3 Base Score

5.3

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2 - Core	jss	Not Affected
Amazon Linux 2 - Core	ldapjdk	Not Affected
Amazon Linux 2 - Core	resteasy-base	Not Affected
Amazon Linux 2 - Core	tomcatjss	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-12353 Mitre: CVE-2026-12353