Critical severity9.8NVD Advisory· Published Jan 28, 2017· Updated Jun 17, 2026

CVE-2016-7993

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tcpdump/Tcpdump2 versions
cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*range: <=4.8.1
- (no CPE)range: <4.9.0
osv-coords21 versions
pkg:rpm/opensuse/tcpdump&distro=openSUSE%20Tumbleweed pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP1 pkg:rpm/suse/libpcap&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP2 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/tcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2
< 4.99.1-1.2+ 20 more
- (no CPE)range: < 4.99.1-1.2
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 1.8.1-9.1
- (no CPE)range: < 4.9.0-13.1
- (no CPE)range: < 4.9.0-13.1
- (no CPE)range: < 3.9.8-1.29.1
- (no CPE)range: < 4.9.0-13.1
- (no CPE)range: < 4.9.0-13.1
- (no CPE)range: < 4.9.0-13.1
- (no CPE)range: < 3.9.8-1.29.1
- (no CPE)range: < 4.9.0-13.1
- (no CPE)range: < 4.9.0-13.1

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/95852nvdThird Party AdvisoryVDB Entry
www.debian.org/security/2017/dsa-3775nvd
www.securitytracker.com/id/1037755nvd
access.redhat.com/errata/RHSA-2017:1871nvd
security.gentoo.org/glsa/201702-30nvd
www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.htmlnvd

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000