Out-of-bounds read in tcpdump (Alpine package)

Published: 2019-10-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14463
Exploitation vector Network
Public exploit N/A
Vulnerable software
tcpdump (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU21987

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14463

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in print-vrrp.c:vrrp_print() function within the VRRP parser. A remote attacker can generate specially crafted VRRP data, trigger out-of-bounds read error and perform denial of service attack.


Install update from vendor's website.

Vulnerable software versions

tcpdump (Alpine package): 4.9.2-r4

External links


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.