CVE-2018-16228: Critical severity Apple macOS Catalina vulnerability
Last updated 25 August 2025
Other sources
tcpdump. Multiple issues were addressed by updating to tcpdump version 4.9.3 and libpcap version 1.9.1
The HNCP parser in tcpdump before 4.9.3 has a buffer over-read in print-hncp.c:printprefix().
— Launchpad
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
macOS Catalinato a version that resolves this vulnerability.Fixed in 10.15.2 - Upgrade
Upgrade
debian/tcpdumpto a version that resolves this vulnerability.Fixed in 4.99.0-2+deb11u1Fixed in 4.99.3-1Fixed in 4.99.5-2Fixed in 4.99.6-2 - Upgrade
Upgrade
tcpdumpto a version that resolves this vulnerability.Fixed in 4.9.3 - Upgrade
Upgrade
libpcapto a version that resolves this vulnerability.Fixed in 1.9.1
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2019-8837
- CVE-2019-8853
- CVE-2019-8856
- CVE-2019-8848
- CVE-2019-8834
- CVE-2019-8842
- CVE-2019-8839
- CVE-2019-8830
- CVE-2019-8851
- CVE-2019-8833
- CVE-2019-8828
- CVE-2019-8838
- CVE-2019-8847
- CVE-2019-8852
- CVE-2019-15903
- CVE-2020-9782
- CVE-2012-1164
- CVE-2012-2668
- CVE-2013-4449
- CVE-2015-1545
- CVE-2019-13057
- CVE-2019-13565
- CVE-2019-8832
- CVE-2017-16808
- CVE-2018-10103
- CVE-2018-10105
- CVE-2018-14461
- CVE-2018-14462
- CVE-2018-14463
- CVE-2018-14464
- CVE-2018-14465
- CVE-2018-14466
- CVE-2018-14467
- CVE-2018-14468
- CVE-2018-14469
- CVE-2018-14470
- CVE-2018-14879
- CVE-2018-14880
- CVE-2018-14881
- CVE-2018-14882
- CVE-2018-16227
- CVE-2018-16228
- CVE-2018-16229
- CVE-2018-16230
- CVE-2018-16300
- CVE-2018-16301
- CVE-2018-16451
- CVE-2018-16452
- CVE-2019-15166
- CVE-2019-15167
- CVE-2019-15126
Frequently Asked Questions
What is CVE-2018-16228?
CVE-2018-16228 is a vulnerability in the HNCP parser in tcpdump.
What is the severity of CVE-2018-16228?
The severity of CVE-2018-16228 is not specified in the provided information.
How does CVE-2018-16228 affect tcpdump?
CVE-2018-16228 affects tcpdump versions prior to 4.9.3.
How can I fix CVE-2018-16228?
To fix CVE-2018-16228, update tcpdump to version 4.9.3 or higher.
Where can I find more information about CVE-2018-16228?
You can find more information about CVE-2018-16228 at the provided reference links.