Heap-based buffer overflow in SAIL - CVE-2026-27168
Published: February 19, 2026
Vulnerability identifier: #VU123085
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-27168
CWE-ID: CWE-122
Exploitation vector: Adjecent network
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Sail-codecs-xwd. A remote attacker on the local network can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
SAIL
How to mitigate CVE-2026-27168
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.