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

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.

Published: 2025-02-26 Last update: 2026-04-20 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-1634 is rated Moderate Risk (52.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.46%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-1634

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-21 0.31% 0.46% +0.15%
2 2026-04-06 0.36% 0.31% -0.05%
3 2026-04-04 0.36%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-1634

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-1634

GitHub Security Advisory for CVE-2025-1634

GHSA-4fwr-mh5q-hchh · Severity: high · Ecosystem: maven — io.quarkus:quarkus-resteasy: Memory Leak in Quarkus RESTEasy Classic When Client Requests Timeout

OS Trackers for CVE-2025-1634

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2025-1634

Affected software / configurations for CVE-2025-1634

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-1634

cvelogic Threat Intelligence