CVE catalog

CVE-2018-14642

DEBIAN-CVE-2018-14642

[CVE catalog]

Severity
Medium · CVSS 5.3CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Published
Updated
Source
[NVD] · [CVE record]
EPSS
2.11% · Oct 27, 2026

An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianundertow141.3.11-1vulnerable
Debianundertow141.3.16-1vulnerable
Debianundertow141.3.19-1vulnerable
Debianundertow141.3.21-1vulnerable
Debianundertow141.3.23-1vulnerable
Debianundertow141.3.4-1vulnerable
Debianundertow141.3.5-1vulnerable
Debianundertow141.3.7-1vulnerable
Debianundertow141.4.0-1vulnerable
Debianundertow141.4.1-1vulnerable
Debianundertow141.4.18-1vulnerable
Debianundertow141.4.20-1vulnerable
Debianundertow141.4.21-1vulnerable
Debianundertow141.4.21-2vulnerable
Debianundertow141.4.22-1vulnerable
Debianundertow141.4.23-1vulnerable
Debianundertow141.4.23-2vulnerable
Debianundertow141.4.23-3vulnerable
Debianundertow141.4.25-1vulnerable
Debianundertow141.4.25-2vulnerable
Debianundertow141.4.3-1vulnerable
Debianundertow141.4.4-1vulnerable
Debianundertow141.4.6-1vulnerable
Debianundertow141.4.7-1vulnerable
Debianundertow141.4.8-1vulnerable
Debianundertow142.0.23-1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianundertowdeb142.0.23-1Not reportedDEBIAN-CVE-2018-14642Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]