CVE-2019-15695

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.

• CWE-121
• CWE-754
• CWE-787

• 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

Published

Dec 26, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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