CVE catalog
CVE-2018-16451
tcpdump: CVE-2018-16451
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 4.13% · Oct 25, 2026
The SMB parser in tcpdump before 4.9.3 has buffer over-reads in print-smb.c:print_trans() for \MAILSLOT\BROWSE and \PIPE\LANMAN.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tcpdump | sid | 4.99.6-2 | fixed |
| Debian | tcpdump | forky | 4.99.6-2 | fixed |
| Debian | tcpdump | trixie | 4.99.5-2 | fixed |
| Debian | tcpdump | bookworm | 4.99.3-1 | fixed |
| Alpine | tcpdump | 3.10 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.11 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.12 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.13 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.14 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.15 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.16 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.17 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.18 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.19 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.20 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.21 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.22 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.23 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.24 | 4.9.3-r0 | fixed |
| Alpine | tcpdump | 3.9 | 4.9.3-r0 | fixed |
| Ubuntu | tcpdump | pro | 4.4.0-1ubuntu1 | vulnerable |
| Ubuntu | tcpdump | pro | 4.5.1-2ubuntu1 | vulnerable |
| Ubuntu | tcpdump | pro | 4.5.1-2ubuntu1.1 | vulnerable |
| Ubuntu | tcpdump | pro | 4.5.1-2ubuntu1.2 | vulnerable |
| Ubuntu | tcpdump | pro | 4.9.0-1ubuntu1~ubuntu14.04.1 | vulnerable |
| Ubuntu | tcpdump | pro | 4.9.2-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | tcpdump | pro | 4.9.3-0ubuntu0.14.04.1+esm1 | fixed |
| Ubuntu | tcpdump | 16.04 | 4.7.4-1ubuntu1 | vulnerable |
| Ubuntu | tcpdump | 16.04 | 4.9.0-1ubuntu1~ubuntu16.04.1 | vulnerable |
| Ubuntu | tcpdump | 16.04 | 4.9.2-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | tcpdump | 16.04 | 4.9.3-0ubuntu0.16.04.1 | fixed |
| Ubuntu | tcpdump | 18.04 | 4.9.2-1 | vulnerable |
| Ubuntu | tcpdump | 18.04 | 4.9.2-2 | vulnerable |
| Ubuntu | tcpdump | 18.04 | 4.9.2-2build1 | vulnerable |
| Ubuntu | tcpdump | 18.04 | 4.9.2-2ubuntu1 | vulnerable |
| Ubuntu | tcpdump | 18.04 | 4.9.2-3 | vulnerable |
| Ubuntu | tcpdump | 18.04 | 4.9.3-0ubuntu0.18.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tcpdump | source | sid | 4.9.3-1 | not yet assigned | Not reported | [941698] |
| Debian | tcpdump | source | forky | 4.9.3-1 | not yet assigned | Not reported | [941698] |
| Debian | tcpdump | source | trixie | 4.9.3-1 | not yet assigned | Not reported | [941698] |
| Debian | tcpdump | source | bookworm | 4.9.3-1 | not yet assigned | Not reported | [941698] |
| Alpine | tcpdump | apk | 3.10 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.11 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.12 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.13 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.14 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.15 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.16 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.17 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.18 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.19 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.20 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.21 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.22 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.23 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.24 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Alpine | tcpdump | apk | 3.9 | 4.9.3-r0 | Not reported | ALPINE-CVE-2018-16451 | Not reported |
| Ubuntu | tcpdump | deb | pro | 4.9.3-0ubuntu0.14.04.1+esm1 | Not reported | UBUNTU-CVE-2018-16451 | Not reported |
| Ubuntu | tcpdump | deb | 16.04 | 4.9.3-0ubuntu0.16.04.1 | Not reported | UBUNTU-CVE-2018-16451 | Not reported |
| Ubuntu | tcpdump | deb | 18.04 | 4.9.3-0ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2018-16451 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [tcpdump]Fixed
Details (2)
4.99.3-1· amd64 · bookwormFixed · Fixed:
4.9.3-1dsa · tcpdump · debian · bookworm; dsa · tcpdump · debian · 12
4.99.3-1· arm64 · bookwormFixed · Fixed:
4.9.3-1dsa · tcpdump · debian · bookworm; dsa · tcpdump · debian · 12
[Debian 13 (Trixie)]
- [tcpdump]Fixed
Details (2)
4.99.5-2· amd64 · trixieFixed · Fixed:
4.9.3-1dsa · tcpdump · debian · 13
4.99.5-2· arm64 · trixieFixed · Fixed:
4.9.3-1dsa · tcpdump · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2020:4760]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2020_4760.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-16451]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-16451]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-16451]
- [https://security-tracker.debian.org/tracker/CVE-2018-16451]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]