High severity · published Apr 12, 2017
CVE-2017-7746
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
7.5
CVSS
2.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
WI
Wireshark · Wireshark
2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4; 2.0.5; +12 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7746
Third Party Advisory
http://www.securityfocus.com/bid/97635
Issue Tracking
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13576
code.wireshark.org
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=58e69cc769dea24b721abd8a29f9eedc11024b7e
Mailing List
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2017-19.html
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder
