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CVE-2017-9351

25
FAUCET Score

CVE-2017-9351 describes a buffer over-read vulnerability in the DHCP dissector of Wireshark versions 2.2.0 through 2.2.6 and 2.0.0 through 2.0.12. This flaw, rated High severity (CVSS 7.5), could lead to a denial-of-service condition due to improper handling of the Vendor Class Identifier. 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
>= 2.0.0, <= 2.0.12CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
>= 2.2.0, <= 2.2.6CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

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
2.85%
Probability of exploitation in next 30 days
EPSS Percentile
85.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0285 is in the 74th percentile among its peer group of 51,551 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-2017-9351Moderate

wireshark: DHCP dissector read overflow (wnpa-sec-2017-24)

Jun 1, 2017

References

bugs.chromium.org / p/oss-fuzz/issues/detail
Issue TrackingThird Party Advisory
bugs.chromium.org / p/oss-fuzz/issues/detail
Issue TrackingThird Party Advisory
bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingPatchVendor Advisory
bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingPatchVendor Advisory
code.wireshark.org / review/gitweb
wireshark.org / security/wnpa-sec-2017-24.html
Vendor Advisory
securityfocus.com / bid/98808
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038612
Third Party AdvisoryVDB Entry