What is CVE-2017-7395?

CVE-2017-7395 is a medium-severity vulnerability in Tigervnc, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2017-04-01.

How severe is CVE-2017-7395?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Integer overflow in Tigervnc

CVE-2017-7395

In TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), by causing an integer overflow, an authenticated client can crash the server.

Vulnerability class: Integer Overflow

Published 2017-04-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Tigervnc — versions 1.7.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/TigerVNC/tigervnc/pull/436 (Patch, Third Party Advisory, Issue Tracking)
access.redhat.com/errata/RHSA-2017:2000 (vendor-advisory)
www.securityfocus.com/bid/97305 (vdb-entry)
github.com/TigerVNC/tigervnc/pull/436/commits/bf3bdac082978ca32895a4b6a12301609… (Patch, Third Party Advisory, Issue Tracking)
security.gentoo.org/glsa/201801-13 (vendor-advisory)

Frequently asked questions

What is CVE-2017-7395?: CVE-2017-7395 is a medium-severity vulnerability in Tigervnc, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2017-04-01.
How severe is CVE-2017-7395?: Medium severity. CVSS v3 base score is 6.5 out of 10.