What is CVE-2017-7393?

CVE-2017-7393 is a high-severity vulnerability in Tigervnc, classified under Double Free. CVSS score: 8.8/10. Published 2017-04-01.

How severe is CVE-2017-7393?

High severity. CVSS v3 base score is 8.8 out of 10.

Double Free in Tigervnc

CVE-2017-7393

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.

Vulnerability class: Double Free

EPSS: 0.018 (76.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tigervnc — versions 1.7.1
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

References

cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
cve@mitre.org (vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
cve@mitre.org (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2017-7393?: CVE-2017-7393 is a high-severity vulnerability in Tigervnc, classified under Double Free. CVSS score: 8.8/10. Published 2017-04-01.
How severe is CVE-2017-7393?: High severity. CVSS v3 base score is 8.8 out of 10.