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CVE-2016-7177

17
FAUCET Score

CVE-2016-7177 describes a buffer over-read vulnerability in the Catapult DCT2000 dissector within Wireshark versions 2.x prior to 2.0.6, affecting Debian Linux distributions. A remote attacker can exploit this by sending a crafted packet, leading to a denial of service and application crash due to an unrestricted number of channels. This vulnerability has a CVSSv3 score of 5.9 (Medium), indicating a high availability impact with high attack complexity, and does not require user interaction. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:2.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.36%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0236 is in the 71st percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: wireshark

Vendor Advisories (1)

redhatCVE-2016-7177Moderate

wireshark: Catapult DCT2000 dissector crash

Sep 8, 2016

References

bugs.wireshark.org / bugzilla/show_bug.cgi
Issue Tracking
code.wireshark.org / review/17096
Issue TrackingPatch
code.wireshark.org / review/gitweb
wireshark.org / security/wnpa-sec-2016-52.html
Vendor Advisory
debian.org / security/2016/dsa-3671
Third Party Advisory
securitytracker.com / id/1036760
Third Party Advisory