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Message-ID: <7322af13-bcf7-45a4-aa9f-122e9449a128@apache.org>
Date: Tue, 25 Aug 2026 22:47:40 +0100
From: Mark Thomas <markt@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-65183: Apache Tomcat: TOCTOU when setting specific
permissions for Unix Domain Sockets
Severity: low
Affected versions:
- Apache Tomcat 11.0.0-M1 through 11.0.24
- Apache Tomcat 10.1.0-M1 through 10.1.57
- Apache Tomcat 9.0.42 through 9.0.120
- Apache Tomcat 8.5.0 through 8.5.100 unaffected
- Apache Tomcat 7.0.0 through 7.0.109 unaffected
Description:
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in
Apache Tomcat when creating unix domain sockets allows an unauthorised
local user to access the unix domain socket.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from
10.1.0-M1 through 10.1.57, from 9.0.42 through 9.0.120.
Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121,
which fixes the issue.
References:
https://lists.apache.org/thread/748o4st6d5dk6n3l7tgzo5yl68gg05c0
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-65183
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