Apache Tomcat 9.0 lifecycle
Current status
Apache Tomcat 9.0 is currently in standard support.
Security: 2 tracked advisories affecting this line · 1 in CISA KEV. Details below — lifecycle and vulnerability status are separate.
Official lifecycle source: Apache Tomcat whichversion
- Support phase
- standard support
- End of life
- 31 Mar 2027
- Latest release
- 9.0.121
- Released
- 18 Aug 2026
At a glance
- Version line
- 9.0
- Initial release
- 4 Oct 2017
- Lifecycle phase
- standard support
- Latest stable
- 9.0.121
- Latest release date
- 18 Aug 2026
- EOL
- 31 Mar 2027
- Until EOL
- ~7 months
- Risk
- low
- Releases tracked
- 122
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
4 Oct 2017
standard supportcurrent
4 Oct 2017 → 31 Mar 2027
Source: Apache Tomcat whichversion
Apache Tomcat 9.0 is currently in standard support.
Upgrade options
Newer supported Apache Tomcat version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.
You are on Apache Tomcat 9.0
SupportedEOL 31 March 2027
Supported upgrade options
- Apache Tomcat 11.0Upgrade planner →Supported· 2 major versions newer
- Apache Tomcat 10.1Upgrade planner →Supported· 1 major version newer
Known exploited vulnerabilities
CVE entries that CISA lists in the Known Exploited Vulnerabilities catalogue, including due dates and ransomware use when published. CVSS shown when NVD enrichment is available.
- CVE-2023-44487Known exploited
HTTP/2 Rapid Reset Attack Vulnerability
- CISA KEV:
- listed · added 2023-10-10 · due 2023-10-31
- Required action:
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Affected:
- <10.5.3; <9.4.0
- Fixed in:
- 10.5.3, 9.4.0
Security
Advisories affecting Apache Tomcat 9.0 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.
- Known vulnerabilities
- 2
- Known exploited
- 1
- Highest CVSS
- —
- CVE-2023-44487Known exploited
HTTP/2 Rapid Reset Attack Vulnerability
- CISA KEV:
- listed · added 2023-10-10 · due 2023-10-31
- Required action:
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Affected:
- <10.5.3; <9.4.0
- Fixed in:
- 10.5.3, 9.4.0
- CVE-2021-33037
- Affected:
- <=10.0.6
- Source:
- OSV source · Advisory
Runtime compatibility
OpenJDK versions compatible with Apache Tomcat 9.0, derived from official Java version requirements from vendor documentation.
Latest release
Previous releases
9.0.120
7 Jul 2026
9.0.119
23 Jun 2026
9.0.118
10 May 2026
Release history
122 concrete releases tracked for this line.
| Version | Release date | Channel | Source |
|---|---|---|---|
| 9.0.46 | 12 May 2021 | stable | Source |
| 9.0.45 | 6 Apr 2021 | stable | Source |
| 9.0.44 | 10 Mar 2021 | stable | Source |
| 9.0.43 | 2 Feb 2021 | stable | Source |
| 9.0.42 | — | stable | Source |
| 9.0.41 | 8 Dec 2020 | stable | Source |
| 9.0.40 | 17 Nov 2020 | stable | Source |
| 9.0.39 | 5 Nov 2020 | stable | Source |
| 9.0.38 | 5 Nov 2020 | stable | Source |
| 9.0.37 | 5 Jul 2020 | stable | Source |
| 9.0.36 | 7 Jun 2020 | stable | Source |
| 9.0.35 | 11 May 2020 | stable | Source |
| 9.0.34 | 8 Apr 2020 | stable | Source |
| 9.0.33 | 16 Mar 2020 | stable | Source |
| 9.0.32 | — | stable | Source |
| 9.0.31 | 10 Mar 2020 | stable | Source |
| 9.0.30 | 12 Dec 2019 | stable | Source |
| 9.0.29 | 21 Nov 2019 | stable | Source |
| 9.0.28 | — | stable | Source |
| 9.0.27 | 11 Oct 2019 | stable | Source |
| 9.0.26 | 19 Sept 2019 | stable | Source |
| 9.0.25 | — | stable | Source |
| 9.0.24 | 17 Aug 2019 | stable | Source |
| 9.0.23 | — | stable | Source |
| 9.0.22 | 9 Jul 2019 | stable | Source |
Release activity
- Total releases
- 122
- Last 30 days
- 1
- Last 90 days
- 3
- Avg. interval
- ~29 days
- Most recent
- 18 Aug 2026
Should I use this version?
Suitable for new deployments
Apache Tomcat 9.0 is currently supported (standard support).
Version comparison
Compact comparison against the nearest relevant release lines.
Compatibility
Evidence-backed compatibility results involving Apache Tomcat 9.0. Only combinations CompatHub can evaluate from upstream sources are listed.
Compatible targets
Sources
Where this information comes from.
Lifecycle sources
- Apache Tomcat whichversionfirst party · high confidence
Official source: https://tomcat.apache.org/whichversion.html
Last verified 1 Sept 2026
- OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded
Release sources
- Apache Tomcat whichversionfirst party · high confidence
Official source: https://tomcat.apache.org/whichversion.html
Last verified 1 Sept 2026
- Apache Tomcat ASF archivefirst party
Official source: https://archive.apache.org/dist/tomcat/
Verification time not recorded
- Apache Tomcat GitHub tagsfirst party
Official source: https://api.github.com/repos/apache/tomcat/tags
Verification time not recorded
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 122
- Lifecycle periods
- 1
- EOL
- Known
- Provenance records
- 2
- Data last checked
- 1 Sept 2026
- Latest source update
- 1 Sept 2026