CVE-2019-15695

Name: CVE-2019-15695
Creator: NVD / NIST
Published: 2019-12-26T16:15:10.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 4.49%

Last modified Jun 17, 2026

CVE-2019-15695 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. EPSS estimates a 4.49% chance of exploitation in the next 30 days.

Description

TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.49%

90.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tigervnc	Tigervnc	< 1.10.1
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlMailing List, Third Party Advisory
https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89Patch, Third Party Advisory
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1Patch, Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/12/20/2Exploit, Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlMailing List, Third Party Advisory
https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89Patch, Third Party Advisory
https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1Patch, Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/12/20/2Exploit, Mailing List, Third Party Advisory

Timeline

Published: Dec 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15695?

How severe is CVE-2019-15695?

CVE-2019-15695 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 4.49% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15695?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-15695?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST