CVE-2026-67588: A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects…

PriorityP340high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

0.48%

40.1th percentile

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
apache	qpid_protonj2	< 1.2.0	1.2.0
apache_software_foundation	apache_qpid_protonj2	<= 1.1.0	—
apache_software_foundation	apache_qpid_protonj2	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

vendor_redhat7.5HIGH

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