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Apache Tomcat: Possible TLS 1.3 connection failures

Type: advisorySource: Official CVE List1 source record

Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently. This issue affects Apache Tomcat: from 11.0.0-M21 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

Announced Group revision 1
Original source ↗

CVE-2026-93446

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-93446

Apache Tomcat

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Tomcat",
    "versions": [
      {
        "status": "affected",
        "version": "11.0.0-M21",
        "versionType": "semver",
        "lessThanOrEqual": "11.0.26"
      },
      {
        "status": "affected",
        "version": "10.1.25",
        "versionType": "semver",
        "lessThanOrEqual": "10.1.60"
      },
      {
        "status": "affected",
        "version": "9.0.90",
        "versionType": "semver",
        "lessThanOrEqual": "9.0.122"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-93446

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#42495 · Revision 1
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Publisher date
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