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Apache Tomcat: Request smuggling via invalid chunk extension (CVE-2026-24880)

0
High
VulnerabilityCVE-2026-24880gcveosvubuntu-cve-2026-24880ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-pro-22-04-ltsubuntu-pro-24-04-ltsubuntu-25-10ubuntu-26-04-ltsubuntu-24-04-ltscsafcve-2026-24880cve-2026-25854cve-2026-29145cve-2026-29146cve-2026-34483cve-2026-34487cve-2026-34500red-hat-product-securitybit-tomcat-2026-24880bitnami
Published: 04/13/2026 (04/13/2026, 10:19:49 UTC)
Source: GCVE Database
Product: tomcat

Description

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0 through 11.0.18, from 10.1.0 through 10.1.52, from 9.0.0 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.

Affected software

Ubuntu:Pro:14.04:LTSmore threats →ghsa
tomcat6
pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=6.0.37-1=6.0.39-1=6.0.39-1ubuntu0.1=6.0.39-1ubuntu0.1+esm1=6.0.39-1ubuntu0.1+esm2=6.0.39-1ubuntu0.1+esm3
Ubuntu:Pro:14.04:LTSmore threats →ghsa
tomcat7
pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=7.0.42-1=7.0.47-1=7.0.50-1=7.0.52-1=7.0.52-1ubuntu0.1=7.0.52-1ubuntu0.3=7.0.52-1ubuntu0.6=7.0.52-1ubuntu0.7=7.0.52-1ubuntu0.8=7.0.52-1ubuntu0.9=7.0.52-1ubuntu0.10=7.0.52-1ubuntu0.11=7.0.52-1ubuntu0.13=7.0.52-1ubuntu0.14=7.0.52-1ubuntu0.15=7.0.52-1ubuntu0.16=7.0.52-1ubuntu0.16+esm1=7.0.52-1ubuntu0.16+esm2
Ubuntu:Pro:16.04:LTSmore threats →ghsa
tomcat8
pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=esm-infra-legacy/xenial
Affected versions
=8.0.26-1=8.0.28-1=8.0.30-1=8.0.32-1=8.0.32-1ubuntu1=8.0.32-1ubuntu1.1=8.0.32-1ubuntu1.2=8.0.32-1ubuntu1.3=8.0.32-1ubuntu1.4=8.0.32-1ubuntu1.5=8.0.32-1ubuntu1.6=8.0.32-1ubuntu1.7=8.0.32-1ubuntu1.8=8.0.32-1ubuntu1.9=8.0.32-1ubuntu1.10=8.0.32-1ubuntu1.11=8.0.32-1ubuntu1.13=8.0.32-1ubuntu1.13+esm1=8.0.32-1ubuntu1.13+esm2
Ubuntu:Pro:16.04:LTSmore threats →ghsa
tomcat7
pkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=esm-apps-legacy/xenial
Affected versions
=7.0.64-1=7.0.68-1=7.0.68-1ubuntu0.1=7.0.68-1ubuntu0.3=7.0.68-1ubuntu0.4=7.0.68-1ubuntu0.4+esm1=7.0.68-1ubuntu0.4+esm2=7.0.68-1ubuntu0.4+esm3=7.0.68-1ubuntu0.4+esm4
Ubuntu:Pro:18.04:LTSmore threats →ghsa
tomcat8
pkg:deb/ubuntu/[email protected]~18.04.3+esm6?arch=source&distro=esm-apps/bionic
Affected versions
=8.5.21-1ubuntu1=8.5.29-1=8.5.30-1=8.5.30-1ubuntu1=8.5.30-1ubuntu1.2=8.5.30-1ubuntu1.3=8.5.30-1ubuntu1.4=8.5.39-1ubuntu1~18.04.1=8.5.39-1ubuntu1~18.04.2=8.5.39-1ubuntu1~18.04.3=8.5.39-1ubuntu1~18.04.3+esm1=8.5.39-1ubuntu1~18.04.3+esm2=8.5.39-1ubuntu1~18.04.3+esm3=8.5.39-1ubuntu1~18.04.3+esm4=8.5.39-1ubuntu1~18.04.3+esm5=8.5.39-1ubuntu1~18.04.3+esm6
Ubuntu:Pro:18.04:LTSmore threats →ghsa
tomcat9
pkg:deb/ubuntu/[email protected]+esm8?arch=source&distro=esm-apps/bionic
Affected versions
=9.0.16-3~18.04.1=9.0.16-3ubuntu0.18.04.1=9.0.16-3ubuntu0.18.04.2=9.0.16-3ubuntu0.18.04.2+esm1=9.0.16-3ubuntu0.18.04.2+esm2=9.0.16-3ubuntu0.18.04.2+esm3=9.0.16-3ubuntu0.18.04.2+esm4=9.0.16-3ubuntu0.18.04.2+esm5=9.0.16-3ubuntu0.18.04.2+esm6=9.0.16-3ubuntu0.18.04.2+esm7=9.0.16-3ubuntu0.18.04.2+esm8
Ubuntu:Pro:20.04:LTSmore threats →ghsa
tomcat9
pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-apps/focal
Affected versions
=9.0.24-1=9.0.27-1=9.0.31-1=9.0.31-1ubuntu0.1=9.0.31-1ubuntu0.2=9.0.31-1ubuntu0.3=9.0.31-1ubuntu0.4=9.0.31-1ubuntu0.5=9.0.31-1ubuntu0.6=9.0.31-1ubuntu0.7=9.0.31-1ubuntu0.8=9.0.31-1ubuntu0.9=9.0.31-1ubuntu0.9+esm1=9.0.31-1ubuntu0.9+esm2=9.0.31-1ubuntu0.9+esm3
Ubuntu:Pro:22.04:LTSmore threats →ghsa
tomcat9
pkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=esm-apps/jammy
Affected versions
=9.0.43-3=9.0.54-1=9.0.55-1=9.0.58-1=9.0.58-1ubuntu0.1=9.0.58-1ubuntu0.1+esm1=9.0.58-1ubuntu0.1+esm2=9.0.58-1ubuntu0.1+esm3=9.0.58-1ubuntu0.1+esm4=9.0.58-1ubuntu0.2=9.0.58-1ubuntu0.2+esm1=9.0.58-1ubuntu0.2+esm2=9.0.58-1ubuntu0.2+esm3=9.0.58-1ubuntu0.2+esm4
Ubuntu:Pro:24.04:LTSmore threats →ghsa
tomcat10
pkg:deb/ubuntu/[email protected]~esm4?arch=source&distro=esm-apps/noble
Affected versions
=10.1.10-1=10.1.14-1=10.1.15-1=10.1.16-1=10.1.16-1ubuntu0.1~esm1=10.1.16-1ubuntu0.1~esm2=10.1.16-1ubuntu0.1~esm3=10.1.16-1ubuntu0.1~esm4
Ubuntu:Pro:24.04:LTSmore threats →ghsa
tomcat9
pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-apps/noble
Affected versions
=9.0.70-1ubuntu1=9.0.70-2=9.0.70-2ubuntu0.1=9.0.70-2ubuntu0.1+esm1=9.0.70-2ubuntu0.1+esm2=9.0.70-2ubuntu0.1+esm3
Ubuntu:25.10more threats →ghsa
tomcat10
pkg:deb/ubuntu/[email protected]?arch=source&distro=questing
Affected versions
=10.1.35-1=10.1.40-1=10.1.40-1ubuntu1=10.1.40-1ubuntu1.25.10.1
Ubuntu:25.10more threats →ghsa
tomcat11
pkg:deb/ubuntu/[email protected]?arch=source&distro=questing
Affected versions
=11.0.6-1
Ubuntu:25.10more threats →ghsa
tomcat9
pkg:deb/ubuntu/[email protected]?arch=source&distro=questing
Affected versions
=9.0.70-2ubuntu1.1=9.0.70-2ubuntu2=9.0.70-2ubuntu3=9.0.95-1ubuntu1=9.0.95-1ubuntu1.1
Ubuntu:26.04:LTSmore threats →ghsa
tomcat10
pkg:deb/ubuntu/[email protected]~26.04.1?arch=source&distro=resolute
Affected versions
=10.1.40-1ubuntu1=10.1.40-1ubuntu1.26.04.1=10.1.55-1ubuntu2~26.04.1
Ubuntu:26.04:LTSmore threats →ghsa
tomcat9
pkg:deb/ubuntu/[email protected]~26.04.1?arch=source&distro=resolute
Affected versions
=9.0.95-1ubuntu1=9.0.111-1=9.0.115-1=9.0.115-1ubuntu0.1=9.0.118-1~26.04.1
Ubuntu:26.04:LTSmore threats →ghsa
tomcat11
pkg:deb/ubuntu/[email protected]~26.04.1?arch=source&distro=resolute
Affected versions
=11.0.6-1=11.0.11-1=11.0.15-1=11.0.18-1=11.0.18-1ubuntu0.1~esm1=11.0.22-2ubuntu2~26.04.1

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-24880
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:Pro:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
Cvss Version
3.1

Threat ID: 6a58b4dc68715ace43dae4cd

Added to database: 07/16/2026, 10:39:24 UTC

Last updated: 09/10/2026, 19:36:53 UTC

Views: 49

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