CVE-2019-13455

CRITICAL

Xymon < 4.3.28 - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

In Xymon through 4.3.28, a stack-based buffer overflow vulnerability exists in the alert acknowledgment CGI tool because of &nbsp; expansion in acknowledge.c.

References (3)

Core 3
Core References
Mailing List, Third Party Advisory x_refsource_confirm
https://lists.debian.org/debian-lts-announce/2019/08/msg00032.html
Exploit, Mailing List, Vendor Advisory x_refsource_confirm
https://lists.xymon.com/archive/2019-July/046570.html

Scores

CVSS v3 9.8
EPSS 0.0105
EPSS Percentile 77.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
debian/debian_linux 8.0
xymon/xymon < 4.3.28
Published Aug 27, 2019
Tracked Since Feb 18, 2026