[<prev] [next>] [day] [month] [year] [list]
Message-ID: <5a409f62-2a8b-4327-8351-46f6b29934bb@apache.org>
Date: Wed, 23 Sep 2026 12:32:02 +0100
From: Mark Thomas <markt@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-86350: Apache Tomcat: Regression in fix for CVE-2026-41293
can trigger request header mix-up
Severity: important
Affected versions:
- Apache Tomcat 11.0.22 through 11.0.25
- Apache Tomcat 10.1.55 through 10.1.59
- Apache Tomcat 9.0.118 through 9.0.121
Description:
Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response
smuggling') vulnerability in Apache Tomcat caused by a regression in fix
for CVE-2026-41293 can trigger request header mix-up.
This issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from
10.1.55 through 10.1.59, from 9.0.118 through 9.0.121.
Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122,
which fix the issue.
Credit:
Jeppe Weikop (finder)
References:
https://lists.apache.org/thread/mss45z99lcdd5dtpgcn45dy82f3toswc
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-86350
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
