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Highest advisory severityHigh 2 vendors · 2 advisories

CVE-2026-24734

CVE-2026-24734: 2 tracked advisory records across Apache, Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Apache

1 advisory
  • Advisory severityUnrated

    Advisory [CVE-2026-24734] Apache Tomcat Native, Apache Tomcat: OCSP revocation bypass

    CVE-2026-24734Source published Source updated

    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…

    Affected products in this advisory
    • Apache Tomcat Native
    • Apache Tomcat
    Source-reported affected versions
    • Apache Tomcat Native 1.1.23 through 1.1.34
    • Apache Tomcat Native 1.2.0 through 1.2.39
    • Apache Tomcat Native 1.3.0 through 1.3.4
    • Apache Tomcat Native 2.0.0 through 2.0.11

    3 more entries in the full advisory.

    Source-reported fixed versions
    • 1.3.5
    • 2.0.12
    • 11.0.18
    • 10.1.52

    1 more entries in the full advisory.

    Mitigation guidance
    • 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.
    Full advisory and evidenceOpen source bulletin

Red Hat

1 advisory
  • Advisory severityHigh7.4

    High [CVE-2026-24734] Certificate revocation bypass due to improper OCSP response validation

    CVE-2026-24734Source published

    Certificate revocation bypass due to improper OCSP response validation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Affected package(s): jws6-tomcat-native, tomcat, tomcat10-main, jws6-tomcat, tomcat11-main. Resolved in Red Hat advisory RHSA-2026:5612 — update the affected packages (`sudo dnf update`).

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 9
    • Red Hat JBoss Web Server 6.2 on RHEL 10
    • Red Hat JBoss Web Server 6.2 on RHEL 8

    3 more entries in the full advisory.

    Source-reported affected versions
    • jws6-tomcat-native-0:1.3.6-1.redhat_1.el10jws
    • jws6-tomcat-native-0:1.3.6-1.redhat_1.el9jws
    • tomcat
    • jws6-tomcat-native-0:1.3.6-1.redhat_1.el8jws

    7 more entries in the full advisory.

    Source-reported fixed versions
    • RHSA-2026:5612
    Mitigation guidance
    • Update the affected package(s) to the fixed version shipped in RHSA-2026:5612 (`sudo dnf update` / `yum update`).
    Full advisory and evidenceOpen source bulletin

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