Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-7747

25
FAUCET Score

CVE-2017-7747 describes a denial-of-service vulnerability in Wireshark versions 2.2.0 through 2.2.5 and 2.0.0 through 2.0.11, where a crafted PacketBB dissector could crash the application. This flaw, rated High severity with a CVSS score of 7.5, could be triggered remotely via packet injection or by opening a malicious capture file, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
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:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:2.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.47%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0247 is in the 69th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

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-2017-7747Moderate

wireshark: PacketBB dissector crash (wnpa-sec-2017-18)

Apr 12, 2017

References

bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingPatchVendor Advisory
code.wireshark.org / review/gitweb
lists.debian.org / debian-lts-announce/2019/01/msg00010.html
Mailing ListThird Party Advisory
wireshark.org / security/wnpa-sec-2017-18.html
Vendor Advisory
securityfocus.com / bid/97638
Third Party AdvisoryVDB Entry