Race Condition Affecting tomcat11-el-6_0-api package, versions <11.0.26-150600.13.36.2


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.36% (28th percentile)

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  • Snyk IDSNYK-SLES156-TOMCAT11EL60API-20555240
  • published7 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-77762  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 tomcat11-el-6_0-api to version 11.0.26-150600.13.36.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat11-el-6_0-api package and not the tomcat11-el-6_0-api package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat allows an attacker to inject trailer fields into another HTTP/2 request.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.39 through 9.0.121.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.59 through 8.5.100. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.26, 10.1.60, 9.0.122, which fix the issue.

CVSS Base Scores

version 3.1