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CVE-2016-7928

31
FAUCET Score

CVE-2016-7928 describes a critical buffer overflow vulnerability in the IPComp parser of tcpdump versions prior to 4.9.0, specifically within the print-ipcomp.c:ipcomp_print() function. This flaw carries a CVSSv3 score of 9.8 (CRITICAL), indicating it is remotely exploitable with low attack complexity, requiring no user interaction, and can lead to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and it is not listed on the KEV catalog, the vulnerability has garnered significant community discussion with 10 mentions, surpassing 99% of all CVEs.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.8.1CPE matchmatch criteria
cpe:2.3:a:tcpdump:tcpdump:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.38%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0338 is in the 80th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: tcpdump-14:4.9.0-5.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: tcpdump
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: tcpdump

Vendor Advisories (1)

redhatCVE-2016-7928Moderate

tcpdump: multiple overflow issues in protocol decoding

Feb 2, 2017

References

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