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Apache Tomcat: AJP response mix-up

Type: advisorySource: Official CVE List1 source record

Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body being split between the current request and the next request received on that connection leading most likely to failure of the second request and possibly leakage of data from the first response to the second. This issue affects Apache Tomcat: from 11.0.0-M25 through 11.0.26. Users are recommended to upgrade to version 11.0.27, which fixes the issue.

Announced Source revision 1
Original source ↗

CVE-2026-103119

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-2026-103119

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-M25",
        "versionType": "semver",
        "lessThanOrEqual": "11.0.26"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-103119

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#42438 · Revision 1
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Publisher date
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