Time-of-check Time-of-use (TOCTOU) Affecting tomcat9 package, versions <9.0.70-2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.45% (38th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-TOMCAT9-19270200
  • published26 Aug 2026
  • disclosed25 Aug 2026

Introduced: 25 Aug 2026

NewCVE-2026-65183  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Debian:unstable tomcat9 to version 9.0.70-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1