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Message-ID: <4d04a57b-dcf3-4ce0-ab8c-ce6b99889aaf@apache.org>
Date: Tue, 12 May 2026 16:32:42 +0100
From: Mark Thomas <markt@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-43514: Apache Tomcat: AJP secret compared in non-constant
time
Severity: low
Affected versions:
- Apache Tomcat 11.0.0-M1 through 11.0.21
- Apache Tomcat 10.1.0-M1 through 10.1.54
- Apache Tomcat 9.0.0.M1 through 9.0.117
- Apache Tomcat 8.5.0 through 8.5.100
- Apache Tomcat 7.0.0 through 7.0.109
- Apache Tomcat before 7.00 unknown
Description:
Observable Timing Discrepancy vulnerability when comparing AJP secret in
Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from
10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0
through 8.5.100, from 7.0.0 through 7.0.109.
Older unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118
which fix the issue.
References:
https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-43514
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