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Vulnerability record · CVE-2020-25644 · published 6 October 2020

CVE-2020-25644: Redhat wildfly openssl memory leak vulnerability

Redhat · Wildfly Openssl

A memory leak flaw was found in WildFly OpenSSL in versions prior to 1.1.3.Final, where it removes an HTTP session. It may allow the attacker to cause OOM leading to a denial of service. The highest threat from this vulnerability is to system availability.

7.5 CVSS 3.1 High EPSS 2.4% · top 16.9% CWE-401 · Memory leak
7.5CVSS 3.1 base score, v2 5.0
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

A memory leak flaw was found in WildFly OpenSSL in versions prior to 1.1.3.Final, where it removes an HTTP session. It may allow the attacker to cause OOM leading to a denial of service. The highest threat from this vulnerability is to system availability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1885485 Issue TrackingPatchVendor Advisory
https://github.com/wildfly-security/wildfly-openssl-natives/pull/4/files PatchThird Party Advisory
https://issues.redhat.com/browse/WFSSL-51 Permissions RequiredVendor Advisory
https://security.netapp.com/advisory/ntap-20201016-0004/ Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1885485 Issue TrackingPatchVendor Advisory
https://github.com/wildfly-security/wildfly-openssl-natives/pull/4/files PatchThird Party Advisory
https://issues.redhat.com/browse/WFSSL-51 Permissions RequiredVendor Advisory
https://security.netapp.com/advisory/ntap-20201016-0004/ Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-25644), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.