Integer Overflow or Wraparound Affecting tigervnc-server package, versions <0:1.8.0-1.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-TIGERVNCSERVER-2085966
- published26 Jul 2021
- disclosed29 Mar 2017
Introduced: 29 Mar 2017
CVE-2017-7394 (opens in a new tab)How to fix?
Upgrade Centos:7 tigervnc-server to version 0:1.8.0-1.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tigervnc-server package and not the tigervnc-server package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.