CVE-2019-13451

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

9.8 CriticalFix available

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.43%Up 1.6 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: CVE-2019-13451
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: CVE-2019-13451
Updated: 2026-11-02

EUVDEUVD-2019-4924 No score

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: EUVD-2019-4924
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qr6r-rm62-xxf8 9.8

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: GHSA-qr6r-rm62-xxf8
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

OSV 9.8

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: CVE-2019-13451
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-13451 9.8

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: DEBIAN-CVE-2019-13451
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-13451 9.8

In Xymon through 4.3.28, a buffer overflow vulnerability exists in history.c.

Record: UBUNTU-CVE-2019-13451
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`xymon` Debian:12	before 4.3.29-1	4.3.29-1
`xymon` Debian:13	before 4.3.29-1	4.3.29-1
`xymon` Debian:14	before 4.3.29-1	4.3.29-1
`xymon` Debian:8	before 4.3.17-6+deb8u2, plus listed versions 4.3.17-64.3.17-6+deb8u1	4.3.17-6+deb8u2
`xymon` Ubuntu:16.04:LTS	All versions, plus listed versions 4.3.21-14.3.21-24.3.22~beta-14.3.24-14.3.24-24.3.25-1	None known
`xymon` Ubuntu:18.04:LTS	All versions, plus listed versions 4.3.28-24.3.28-34.3.28-3build1	None known
`xymon` Ubuntu:20.04:LTS	before 4.3.29-1	4.3.29-1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-13451 is a critical vulnerability (CVSS 9.8) in Xymon, published August 26, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.43%, the 84th percentile. Fixed in xymon 4.3.29-1.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References