CVE-2016-7993
9.8
CRITICAL
CVSS 3.1
EPSS 0.92%
Description
A bug in util-print.c:relts_print() in tcpdump before 4.9.0 could cause a buffer overflow in multiple protocol parsers (DNS, DVMRP, HSRP, IGMP, lightweight resolver protocol, PIM).
How to fix CVE-2016-7993
To remediate CVE-2016-7993, upgrade the affected package to a fixed version below.
- Alpine/tcpdump—upgrade to 4.9.0-r0 or later
- Debian/tcpdump—upgrade to 4.9.0-1 or later
Is CVE-2016-7993 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.9.0-r0
- from 0, < 4.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |