What’s Vulnerable › Vulnerabilities

CVE-2017-7393

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-01 · updated 2026-06-17
• Weakness: CWE-415

Description

In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.

Affected products

• Kaspersky TigerVNC: 1.7.1

References

• http://www.securityfocus.com/bid/97305
• https://access.redhat.com/errata/RHSA-2017:2000
• https://github.com/TigerVNC/tigervnc/pull/438
• https://security.gentoo.org/glsa/201801-13
• http://www.securityfocus.com/bid/97305
• https://access.redhat.com/errata/RHSA-2017:2000
• https://github.com/TigerVNC/tigervnc/pull/438
• https://security.gentoo.org/glsa/201801-13

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