Medium severity · published Feb 3, 2017
CVE-2016-6188
Memory leak in SOGo 2.3.7 allows remote attackers to cause a denial of service (memory consumption) via a large number of attempts to upload a large attachment, related to…
6.5
CVSS
2.2%
EPSS
No
On KEV
Description
Memory leak in SOGo 2.3.7 allows remote attackers to cause a denial of service (memory consumption) via a large number of attempts to upload a large attachment, related to temporary files.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
Sogo · Alinto
2.3.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6188
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6188
Mailing List
http://www.openwall.com/lists/oss-security/2016/07/09/3
Third Party Advisory
http://www.securityfocus.com/bid/96007
Issue Tracking
https://github.com/inverse-inc/sogo/commit/32bb1456e23a32c7f45079c3985bf732dd0d276d
Issue Tracking
https://sogo.nu/bugs/view.php?id=3510
More from Sogo
8.8
CVE-2015-5395
Cross-site request forgery (CSRF) vulnerability in SOGo before 3.1.0
8.3
CVE-2026-93453
SOGo before 5.12.11 Password Reset Token Interception via Origin Header
7.1
CVE-2026-46446
SOGo before 5.12.7, when PostgreSQL or MariaDB is used, and cleartext passwords are stored, allows SQL injection
7.1
CVE-2026-46445
SOGo before 5.12.7, when PostgreSQL is used, allows SQL injection
6.1
CVE-2025-71276
SOGo before 5.12.5 is prone to a XSS vulnerability with events, tasks, and contacts categories
