critical
CVE-2016-7931
tcpdump: multiple overflow issues in protocol decoding
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat6.5CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Oracle (medium), Ubuntu (medium).
Description
The MPLS parser in tcpdump before 4.9.0 has a buffer overflow in print-mpls.c:mpls_print().
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.10 | tcpdump | 4.9.0-r0 |
| alpine 3.11 | tcpdump | 4.9.0-r0 |
| alpine 3.12 | tcpdump | 4.9.0-r0 |
| alpine 3.13 | tcpdump | 4.9.0-r0 |
| alpine 3.14 | tcpdump | 4.9.0-r0 |
| alpine 3.15 | tcpdump | 4.9.0-r0 |
| alpine 3.16 | tcpdump | 4.9.0-r0 |
| alpine 3.17 | tcpdump | 4.9.0-r0 |
| alpine 3.18 | tcpdump | 4.9.0-r0 |
| alpine 3.19 | tcpdump | 4.9.0-r0 |
| alpine 3.2 | tcpdump | 4.9.0-r0 |
| alpine 3.20 | tcpdump | 4.9.0-r0 |
Show all 41 entries from 40 sources
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.10 | tcpdump | 4.9.0-r0 |
| alpine 3.11 | tcpdump | 4.9.0-r0 |
| alpine 3.12 | tcpdump | 4.9.0-r0 |
| alpine 3.13 | tcpdump | 4.9.0-r0 |
| alpine 3.14 | tcpdump | 4.9.0-r0 |
| alpine 3.15 | tcpdump | 4.9.0-r0 |
| alpine 3.16 | tcpdump | 4.9.0-r0 |
| alpine 3.17 | tcpdump | 4.9.0-r0 |
| alpine 3.18 | tcpdump | 4.9.0-r0 |
| alpine 3.19 | tcpdump | 4.9.0-r0 |
| alpine 3.2 | tcpdump | 4.9.0-r0 |
| alpine 3.20 | tcpdump | 4.9.0-r0 |
| alpine 3.21 | tcpdump | 4.9.0-r0 |
| alpine 3.22 | tcpdump | 4.9.0-r0 |
| alpine 3.23 | tcpdump | 4.9.0-r0 |
| alpine 3.24 | tcpdump | 4.9.0-r0 |
| alpine 3.3 | tcpdump | 4.9.0-r0 |
| alpine 3.4 | tcpdump | 4.9.0-r0 |
| alpine 3.5 | tcpdump | 4.9.0-r0 |
| alpine 3.6 | tcpdump | 4.9.0-r0 |
| alpine 3.7 | tcpdump | 4.9.0-r0 |
| alpine 3.8 | tcpdump | 4.9.0-r0 |
| alpine 3.9 | tcpdump | 4.9.0-r0 |
| alpine edge | tcpdump | 4.9.0-r0 |
| debian 11 | tcpdump | 4.9.0-1 |
| debian 12 | tcpdump | 4.9.0-1 |
| debian 13 | tcpdump | 4.9.0-1 |
| debian 14 | tcpdump | 4.9.0-1 |
| debian 7 | tcpdump | 4.9.0-1~deb7u1 |
| debian 8 | tcpdump | 4.9.0-1~deb8u1 |
| echo | tcpdump | 4.9.0-1 |
| Oracle Linux 7 | tcpdump | 14:4.9.0-5.el7 |
| Red Hat | tcpdump | no fix listed |
| seal Red Hat 6 | seal-tcpdump | 14:4.0.0-11.20090921gitdf3cb4.2.el6+sp999 |
| seal Red Hat 6 | tcpdump | 14:4.0.0-11.20090921gitdf3cb4.2.el6+sp999 |
| ubuntu 12.04 | tcpdump | 4.9.0-1ubuntu1~ubuntu12.04.1 |
| ubuntu 14.04 | tcpdump | 4.9.0-1ubuntu1~ubuntu14.04.1 |
| ubuntu 14.04-ESM | tcpdump | 4.9.0-1ubuntu1~ubuntu14.04.1 |
| ubuntu 16.04 | tcpdump | 4.9.0-1ubuntu1~ubuntu16.04.1 |
| ubuntu 16.04-ESM | tcpdump | 4.9.0-1ubuntu1~ubuntu16.04.1 |
| ubuntu 16.10 | tcpdump | 4.9.0-1ubuntu1~ubuntu16.10.1 |
References
- http://www.debian.org/security/2017/dsa-3775
- http://www.securityfocus.com/bid/95852
- http://www.securitytracker.com/id/1037755
- https://access.redhat.com/errata/RHSA-2017:1871
- https://access.redhat.com/security/cve/CVE-2016-7931
- https://linux.oracle.com/cve/CVE-2016-7931.html
- https://linux.oracle.com/errata/ELSA-2017-1871.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-7931