CVE-2020-15117

MEDIUM

Synergy <1.12.0 - DoS

Title source: llm

Description

In Synergy before version 1.12.0, a Synergy server can be crashed by receiving a kMsgHelloBack packet with a client name length set to 0xffffffff (4294967295) if the servers memory is less than 4 GB. It was verified that this issue does not cause a crash through the exception handler if the available memory of the Server is more than 4GB.

Scores

CVSS v3 6.5
EPSS 0.0048
EPSS Percentile 64.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE
CWE-755 CWE-754
Status published

Affected Products (3)

symless/synergy < 1.12.0
fedoraproject/fedora
fedoraproject/fedora

Timeline

Published Jul 15, 2020
Tracked Since Feb 18, 2026