What’s Vulnerable › Vulnerabilities

CVE-2019-15695

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-26 · updated 2026-06-17
• Weakness: CWE-121

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.

Affected products

• openSUSE Leap: 15.1
• Kaspersky TigerVNC: before 1.10.1 — fixed in 1.10.1

How to fix

Upgrade to a fixed version: Kaspersky TigerVNC 1.10.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
• https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
• https://www.openwall.com/lists/oss-security/2019/12/20/2
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
• https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
• https://www.openwall.com/lists/oss-security/2019/12/20/2

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