CVE-2025-1634: Io.quarkus:quarkus-resteasy: memory leak in quarkus resteasy classic when client requests timeout

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-02-26 · updated 2026-10-20
Weakness: CWE-401

Description

A flaw was found in the quarkus-resteasy extension, which causes memory leaks when client requests with low timeouts are made. If a client request times out, a buffer is not released correctly, leading to increased memory usage and eventual application crash due to OutOfMemoryError.

Affected products

Red Hat build of Quarkus: all versions

References

https://access.redhat.com/errata/RHSA-2025:12511
https://access.redhat.com/errata/RHSA-2025:1884
https://access.redhat.com/errata/RHSA-2025:1885
https://access.redhat.com/errata/RHSA-2025:2067
https://access.redhat.com/errata/RHSA-2025:23417
https://access.redhat.com/errata/RHSA-2025:9922
https://access.redhat.com/security/cve/CVE-2025-1634
https://bugzilla.redhat.com/show_bug.cgi?id=2347319
https://github.com/quarkusio/quarkus/issues/46412
https://github.com/quarkusio/quarkus/pull/46419

Get alerted when CVE-2025-1634 or the next vulnerability affects your stack