CVE-2019-15693

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

• CWE-122
• CWE-787

• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.htmlBroken Link
• https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95Patch, Third Party Advisory
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1Release Notes, 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.htmlBroken Link
• https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95Patch, Third Party Advisory
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1Release Notes, 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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