CVE-2017-7746

Name: CVE-2017-7746
Creator: NVD / NIST
Published: 2017-04-12T23:59:00.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.47%

Last modified Jun 17, 2026

CVE-2017-7746 is a vulnerability of currently unknown severity. In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the SLSK dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-slsk.c by adding checks for the remaining length.. EPSS estimates a 2.47% chance of exploitation in the next 30 days.

Description

In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the SLSK dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-slsk.c by adding checks for the remaining length.

Metrics

EPSS Probability

2.47%

82.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-835

Affected Software

Vendor	Product	Versions
Wireshark	Wireshark	2.0.0
Wireshark	Wireshark	2.0.1
Wireshark	Wireshark	2.0.2
Wireshark	Wireshark	2.0.3
Wireshark	Wireshark	2.0.4
Wireshark	Wireshark	2.0.5
Wireshark	Wireshark	2.0.6
Wireshark	Wireshark	2.0.7
Wireshark	Wireshark	2.0.8
Wireshark	Wireshark	2.0.9
Wireshark	Wireshark	2.0.10
Wireshark	Wireshark	2.0.11
Wireshark	Wireshark	2.2.0
Wireshark	Wireshark	2.2.1
Wireshark	Wireshark	2.2.2
Wireshark	Wireshark	2.2.3
Wireshark	Wireshark	2.2.4
Wireshark	Wireshark	2.2.5
Debian	Debian Linux	8.0

References

http://www.securityfocus.com/bid/97635Third Party Advisory, VDB Entry
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13576Issue Tracking, Patch, Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=58e69cc769dea24b721abd8a29f9eedc11024b7e
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2017-19.htmlVendor Advisory
http://www.securityfocus.com/bid/97635Third Party Advisory, VDB Entry
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13576Issue Tracking, Patch, Vendor Advisory
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=58e69cc769dea24b721abd8a29f9eedc11024b7e
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2017-19.htmlVendor Advisory

Timeline

Published: Apr 12, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7746?

How severe is CVE-2017-7746?

Severity scoring for CVE-2017-7746 is pending analysis. The EPSS model estimates a 2.47% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7746?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7746?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST