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CVE-2017-5597

26
FAUCET Score

CVE-2017-5597 describes an integer overflow vulnerability in the DHCPv6 dissector of Wireshark versions 2.2.0 to 2.2.3 and 2.0.0 to 2.0.9. This flaw, rated High severity (CVSS 7.5), could lead to a denial-of-service condition by causing a large loop when processing specially crafted packets or malformed capture files. While the vulnerability is easily exploitable over the network with low attack complexity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding it.

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
2.00%
Probability of exploitation in next 30 days
EPSS Percentile
78.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0200 is in the 62nd percentile among its peer group of 51,506 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 (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-2017-5597Moderate

wireshark: DHCPv6 large loop (wnpa-sec-2017-02)

Jan 23, 2017

References

bugs.wireshark.org / bugzilla/show_bug.cgi
Issue TrackingPatchThird Party Advisory
code.wireshark.org / review
PatchVendor Advisory
code.wireshark.org / review/gitweb
wireshark.org / security/wnpa-sec-2017-02.html
Vendor Advisory
debian.org / security/2017/dsa-3811
securityfocus.com / bid/95798
securitytracker.com / id/1037694