7.5

CVE-2017-7396: tigervnc

CVSS: 7.5v3.0HighModified
AliasesUBUNTU-CVE-2017-7396DEBIAN-CVE-2017-7396
Published 01-04-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-7396 is a high (CVSS 7.5) vulnerability in tigervnc. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.03%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
RHSA-2017:2000SUSE-SU-2017:1093-1SUSE-SU-2017:1094-1

Timeline

  1. 01-04-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.03%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.03% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.03%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • tigervnc< 1.7.0+dfsg-7
Tigervnc1 product
Ubuntu1 product
  • tigervnc< 1.7.0+dfsg-8ubuntu2

3 vendors · 3 products

References

8 links