CVE-2019-15167: Critical severity Apple macOS Catalina vulnerability

Published Dec 10, 2019
·
Updated

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 VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrpprint() for VRRP version 3, a different vulnerability than CVE-2018-14463.

— Launchpad

Credit

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

Affected Software

5 affected componentsFixes available
Apple macOS Catalina<10.15.2
10.15.2
Apple Mojave
Apple High Sierra
tcpdump tcpdump<4.9.3
debian/tcpdump
4.99.0-2+deb11u14.99.3-14.99.5-24.99.6-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade macOS Catalina to a version that resolves this vulnerability.

    Fixed in 10.15.2
  2. Upgrade

    Upgrade debian/tcpdump to 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
  3. Upgrade

    Upgrade tcpdump to a version that resolves this vulnerability.

    Fixed in 4.9.3
  4. Upgrade

    Upgrade libpcap to a version that resolves this vulnerability.

    Fixed in 1.9.1

Event History

Aug 27, 2022
CVE Published
via MITRE·05:47 AM
Data Sourced
via MITRE·05:47 AM
Description
Data Sourced
via NVD·06:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:19 PM
Description
Dec 4, 2025
Data Sourced
via Ubuntu·06:59 PM
RemedyDescriptionSeverityAffected Software
Mar 8, 2026
Data Sourced
via Debian·10:03 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2019-15167?

CVE-2019-15167 is a vulnerability in tcpdump that allows for a buffer over-read in the VRRP parser.

2

How does CVE-2019-15167 affect tcpdump?

CVE-2019-15167 affects tcpdump versions before 4.9.3, allowing for a buffer over-read in the VRRP parser.

3

What is the severity of CVE-2019-15167?

The severity of CVE-2019-15167 is moderate.

4

How can I fix CVE-2019-15167 on Ubuntu?

To fix CVE-2019-15167 on Ubuntu, update tcpdump to version 4.9.3 or later.

5

How can I fix CVE-2019-15167 on Debian?

To fix CVE-2019-15167 on Debian, update tcpdump to version 4.9.3-1~deb10u2, 4.9.3-1~deb10u1, 4.99.0-2+deb11u1, 4.99.3-1, or 4.99.4-3.

6

How can I fix CVE-2019-15167 on macOS Catalina?

To fix CVE-2019-15167 on macOS Catalina, update to version 10.15.2 or later.

Company

Resources

Contact

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