USN-8494-1: LibVNCServer vulnerability

It was discovered that LibVNCServer incorrectly handled the Tight decoder in libvncclient. A remote attacker could use this issue to cause LibVNCServer to crash, resulting in a denial of service, or possibly execute arbitrary code...

UBUNTU-CVE-2026-50538

Attacker-controlled heap out-of-bounds write in libvncclient Tight decoder...

PT-2026-52181

Name of the Vulnerable Software and Affected Versions LibVNCServer affected versions not specified Description An issue exists in the Tight decoder within libvncclient where heap out-of-bounds writes occur. A remote attacker can exploit this to cause the server to crash, leading to a denial of...

tigervnc security update

1.9.0-14 - Bump build version Resolves: bz1819877 Resolves: bz1819879 Resolves: bz1819882 Resolves: bz1819886 Resolves: bz1819884 1.9.0-13 - Fix stack buffer overflow in CMsgReader::readSetCursor Resolves: bz1819877 - Fix heap buffer overflow in DecodeManager::decodeRect Resolves: bz1819879 - Fix...

CVE-2026-50538

Attacker-controlled heap out-of-bounds write in libvncclient Tight decoder...