https://seclists.org/oss-sec/2026/q1/351: Off-by-one heap buffer overflow in libuv
Published Mar 19, 2026
·Updated
Affected Software
1 affected component
libuv libuv>=1.47.0
Frequently Asked Questions
1
What is the severity of CVE-2026-XXXX?
The severity of CVE-2026-XXXX is considered critical due to the potential for an off-by-one heap buffer overflow, which may lead to arbitrary code execution.
2
How do I fix CVE-2026-XXXX?
To fix CVE-2026-XXXX, update libuv to the latest version that includes the patch addressing the off-by-one heap buffer overflow.
3
What systems are affected by CVE-2026-XXXX?
CVE-2026-XXXX primarily affects applications using libuv for Windows, particularly those interacting with CJK characters in console applications.
4
What are the implications of CVE-2026-XXXX?
The implications of CVE-2026-XXXX include potential exploitations that can compromise system integrity and execute arbitrary code.
5
Is there a workaround for CVE-2026-XXXX?
A temporary workaround for CVE-2026-XXXX would be to avoid using Windows console applications that handle CJK characters until the patch is applied.