DEBIAN-CVE-2018-14642
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 18 Sept 2018, 13:29
Last modified:28 Apr 2026, 20:18
Vulnerability Summary
Overall Risk (default)
low
21/100 CVSS Score
5.3 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
18 Sept 2018, 13:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:18
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Systems
- debian•undertow
< 2.0.23-1