Staging Environment: Content and features may be unstable or change without notice.
Search for packages
Package details: pkg:apache/tomcat@10.0.18
purl pkg:apache/tomcat@10.0.18
Next non-vulnerable version 10.0.21
Latest non-vulnerable version 11.0.21
Risk 4.0
Vulnerabilities affecting this package (1)
Vulnerability Summary Fixed by
VCID-j8tk-s915-pbfy
Aliases:
CVE-2021-43980
GHSA-jx7c-7mj5-9438
The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.
10.0.20
Affected by 1 other vulnerability.
10.1.0-M14
Affected by 1 other vulnerability.
Vulnerabilities fixed by this package (0)
Vulnerability Summary Aliases
This package is not known to fix vulnerabilities.

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-01T12:38:06.013900+00:00 Apache Tomcat Importer Affected by VCID-j8tk-s915-pbfy https://tomcat.apache.org/security-10.html 38.0.0