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Red Hat Security Advisory: tomcat9 update

0
High
Published: Thu Jun 11 2026 (06/11/2026, 17:19:02 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

Certificate revocation bypass due to improper OCSP response validation

Affected software

Affected versions
Red HatRed Hat Enterprise LinuxRed Hat Enterprise Linux AppStream (v. 10)noarchtomcat9-1:9.0.117-1.el10_2.noarch

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/12/2026, 11:15:38 UTC

Technical Analysis

The vulnerability concerns a certificate revocation bypass caused by improper validation of OCSP (Online Certificate Status Protocol) responses in Red Hat's tomcat9. This flaw allows the system to potentially accept revoked certificates, undermining the trust model of certificate validation. The advisory does not specify affected versions or provide patch information, nor does it list any associated CVEs or known exploits.

Potential Impact

If exploited, this vulnerability could allow an attacker to use revoked certificates without detection, potentially enabling man-in-the-middle attacks or unauthorized access where certificate validation is critical. However, no known exploits are currently reported, and the exact impact depends on the deployment context.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory RHSA-2026:25341 for current remediation guidance. No specific mitigation or patch information is provided in the available data.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_informational_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2026:25341
Cve Count
0
Additional Cves
[]
Cvss Version
null

Threat ID: 6a2bea10e617e2d8345887bc

Added to database: 6/12/2026, 11:14:24 AM

Last enriched: 6/12/2026, 11:15:38 AM

Last updated: 6/12/2026, 12:20:19 PM

Views: 4

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