CVE-2026-24734
EUVD-2026-783317.02.2026, 19:21
Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed. This issue affects Apache Tomcat Native: from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114. The following versions were EOL at the time the CVE was created but are known to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39. Older EOL versions are not affected. Apache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue. Apache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| apache | tomcat | 9.0.83 ≤ 𝑥 < 9.0.115 |
| apache | tomcat | 10.1.1 ≤ 𝑥 < 10.1.52 |
| apache | tomcat | 11.0.1 ≤ 𝑥 < 11.0.18 |
| apache | tomcat | 10.1.0:milestone1 |
| apache | tomcat | 10.1.0:milestone10 |
| apache | tomcat | 10.1.0:milestone11 |
| apache | tomcat | 10.1.0:milestone12 |
| apache | tomcat | 10.1.0:milestone13 |
| apache | tomcat | 10.1.0:milestone14 |
| apache | tomcat | 10.1.0:milestone15 |
| apache | tomcat | 10.1.0:milestone16 |
| apache | tomcat | 10.1.0:milestone17 |
| apache | tomcat | 10.1.0:milestone18 |
| apache | tomcat | 10.1.0:milestone19 |
| apache | tomcat | 10.1.0:milestone2 |
| apache | tomcat | 10.1.0:milestone20 |
| apache | tomcat | 10.1.0:milestone3 |
| apache | tomcat | 10.1.0:milestone4 |
| apache | tomcat | 10.1.0:milestone5 |
| apache | tomcat | 10.1.0:milestone6 |
| apache | tomcat | 10.1.0:milestone7 |
| apache | tomcat | 10.1.0:milestone8 |
| apache | tomcat | 10.1.0:milestone9 |
| apache | tomcat | 11.0.0:milestone1 |
| apache | tomcat | 11.0.0:milestone10 |
| apache | tomcat | 11.0.0:milestone11 |
| apache | tomcat | 11.0.0:milestone12 |
| apache | tomcat | 11.0.0:milestone13 |
| apache | tomcat | 11.0.0:milestone14 |
| apache | tomcat | 11.0.0:milestone15 |
| apache | tomcat | 11.0.0:milestone16 |
| apache | tomcat | 11.0.0:milestone17 |
| apache | tomcat | 11.0.0:milestone18 |
| apache | tomcat | 11.0.0:milestone19 |
| apache | tomcat | 11.0.0:milestone2 |
| apache | tomcat | 11.0.0:milestone20 |
| apache | tomcat | 11.0.0:milestone21 |
| apache | tomcat | 11.0.0:milestone22 |
| apache | tomcat | 11.0.0:milestone23 |
| apache | tomcat | 11.0.0:milestone24 |
| apache | tomcat | 11.0.0:milestone25 |
| apache | tomcat | 11.0.0:milestone26 |
| apache | tomcat | 11.0.0:milestone3 |
| apache | tomcat | 11.0.0:milestone4 |
| apache | tomcat | 11.0.0:milestone5 |
| apache | tomcat | 11.0.0:milestone6 |
| apache | tomcat | 11.0.0:milestone7 |
| apache | tomcat | 11.0.0:milestone8 |
| apache | tomcat | 11.0.0:milestone9 |
| apache | tomcat_native | 1.3.0 ≤ 𝑥 < 1.3.5 |
| apache | tomcat_native | 2.0.0 ≤ 𝑥 < 2.0.12 |
𝑥
= Vulnerable software versions
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tomcat10 |
| ||||||||||||
| tomcat11 |
| ||||||||||||
| tomcat9 |
|
Ubuntu Releases
Ubuntu Product | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tomcat10 |
| ||||||||||||||||
| tomcat11 |
| ||||||||||||||||
| tomcat6 |
| ||||||||||||||||
| tomcat7 |
| ||||||||||||||||
| tomcat8 |
| ||||||||||||||||
| tomcat9 |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tomcat |
| ||||||||||||||||
| tomcat-admin-webapps |
| ||||||||||||||||
| tomcat-el-3_0-api |
| ||||||||||||||||
| tomcat-jsp-2_3-api |
| ||||||||||||||||
| tomcat-lib |
| ||||||||||||||||
| tomcat-servlet-4_0-api |
| ||||||||||||||||
| tomcat-webapps |
| ||||||||||||||||
| tomcat10 |
| ||||||||||||||||
| tomcat10-admin-webapps |
| ||||||||||||||||
| tomcat10-el-5_0-api |
| ||||||||||||||||
| tomcat10-jsp-3_1-api |
| ||||||||||||||||
| tomcat10-lib |
| ||||||||||||||||
| tomcat10-servlet-6_0-api |
| ||||||||||||||||
| tomcat10-webapps |
| ||||||||||||||||
| tomcat11 |
| ||||||||||||||||
| tomcat11-admin-webapps |
| ||||||||||||||||
| tomcat11-el-6_0-api |
| ||||||||||||||||
| tomcat11-jsp-4_0-api |
| ||||||||||||||||
| tomcat11-lib |
| ||||||||||||||||
| tomcat11-servlet-6_1-api |
| ||||||||||||||||
| tomcat11-webapps |
|
Red Hat Enterprise Linux Releases
Red Hat Product | |||
|---|---|---|---|
| tomcat |
| ||
| tomcat-admin-webapps |
| ||
| tomcat-docs-webapp |
| ||
| tomcat-el-3.0-api |
| ||
| tomcat-jsp-2.3-api |
| ||
| tomcat-lib |
| ||
| tomcat-servlet-4.0-api |
| ||
| tomcat-webapps |
|
Amazon Linux Releases
Amazon Package | |||
|---|---|---|---|
| tomcat10 |
| ||
| tomcat10-admin-webapps |
| ||
| tomcat10-docs-webapp |
| ||
| tomcat10-el-5.0-api |
| ||
| tomcat10-jsp-3.1-api |
| ||
| tomcat10-lib |
| ||
| tomcat10-servlet-6.0-api |
| ||
| tomcat10-webapps |
| ||
| tomcat9 |
| ||
| tomcat9-admin-webapps |
| ||
| tomcat9-docs-webapp |
| ||
| tomcat9-el-3.0-api |
| ||
| tomcat9-jsp-2.3-api |
| ||
| tomcat9-lib |
| ||
| tomcat9-servlet-4.0-api |
| ||
| tomcat9-webapps |
|
Common Weakness Enumeration
- CWE-20 - Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-295 - Improper Certificate ValidationThe software does not validate, or incorrectly validates, a certificate.
Vulnerability Media Exposure
References