High severity · published Jul 19, 2018
CVE-2018-14339
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop
7.5
CVSS
3.5%
EPSS
No
On KEV
Description
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.
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)3.5% · higher than 89% 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
2.2.0 through 2.2.15; 2.4.0 through 2.4.7; 2.6.0 through 2.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14339
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14339
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
Third Party Advisory
http://www.securityfocus.com/bid/104847
Third Party Advisory
http://www.securitytracker.com/id/1041608
Issue Tracking
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14738
code.wireshark.org
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3b77c0a596a8071aebc1de71e3f79e5e15e919ca
Mailing List
https://lists.debian.org/debian-lts-announce/2018/07/msg00045.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