Description
The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 3, a different vulnerability than CVE-2018-14463.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tcpdump | 4.9.3-1 | — |
| Debian 13 | tcpdump | 4.9.3-1 | — |
| Debian 12 | tcpdump | 4.9.3-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | tcpdump | 4.9.3-0ubuntu0.18.04.1 | USN-4252-1 |
| Ubuntu 16.04 LTS | tcpdump | 4.9.3-0ubuntu0.16.04.1 | USN-4252-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | tcpdump | 4.9.3-0ubuntu0.14.04.1+esm1 | USN-4252-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | tcpdump | 4.9.2-3.9.1 | SUSE-SU-2019:2674-1 |
| SLES 15 | tcpdump | 4.9.2-3.9.1 | SUSE-SU-2019:2674-1 |
| SLES 12 SP5 | tcpdump | 4.9.2-14.17.1 | SUSE-SU-2020:3360-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | tcpdump | 4.9.2-14.17.1 | SUSE-SU-2020:3360-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tcpdump | 4.99.1-1.2 | openSUSE-SU-2024:11425-1 |
| openSUSE Leap 15.1 | tcpdump | 4.9.2-lp151.4.6.1 | openSUSE-SU-2019:2348-1 |
| openSUSE Leap 15.0 | tcpdump | 4.9.2-lp150.10.1 | openSUSE-SU-2019:2344-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.23 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.22 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.21 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.20 | tcpdump | 4.9.3-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.18 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.17 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.16 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.15 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.14 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.13 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.12 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.11 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.10 | tcpdump | 4.9.3-r0 | — |
| Alpine v3.9 | tcpdump | 4.9.3-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | tcpdump | 14:4.9.2-4.amzn2.1.0.1 | ALAS2-2023-2119 |
Advisories 8
- USN-4252-1 tcpdump vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-4252-2 tcpdump vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2020:3360-1 Security update for tcpdump SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11425-1 tcpdump-4.99.1-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2348-1 Security update for tcpdump SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2674-1 Security update for tcpdump SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:2344-1 Security update for tcpdump SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-2119 Moderate: tcpdump security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 19, 2023