CVE-2017-7394
tigervnc: Server crash via long usernames
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Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · March 29, 2017
Updated · May 13, 2026
Description
A missing input sanitization flaw was found in the way TigerVNC handled credentials. A remote unauthenticated attacker could use this flaw to make Xvnc crash by sending specially crafted usernames, resulting in denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound