Low [CVE-2026-65183] Local information disclosure via Unix domain socket TOCTOU race condition
This low-severity Red Hat Linux advisory covers CVE-2026-65183 affecting Red Hat JBoss Web Server 5, Red Hat JBoss Web Server 6, Red Hat JBoss Web Server 7.
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Summary
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. This could lead to information disclosure or other unauthorized operations.
This vulnerability in Apache Tomcat is rated Low. Exploitation requires local access and a specific timing window, limiting its impact to information disclosure.
Red Hat severity: Low — CVSS 2.5 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N). Weakness: CWE-367.
Affected Red Hat products: Red Hat JBoss Web Server 5; Red Hat JBoss Web Server 6; Red Hat JBoss Web Server 7. Under investigation: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Hardened Images.
Will not fix / out of support: Red Hat JBoss Web Server 5. Red Hat does not currently list a fixing RHSA for this CVE.
- 11.0.0
- 11.0.24
- 10.1.0
- 10.1.57
- 9.0.42
- 9.0.120
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- 11.0.25
- 10.1.58
- 9.0.121
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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