https://seclists.org/oss-sec/2026/q1/350: Off-by-one heap buffer overflow in libuv
Published Mar 19, 2026
·Updated
Affected Software
1 affected component
libuv libuv>=1.47.0<=v1.x HEAD
Frequently Asked Questions
1
What is the severity of CVE-2026-XXXX?
CVE-2026-XXXX is classified as a high severity vulnerability due to the potential for remote code execution.
2
How do I fix CVE-2026-XXXX?
To fix CVE-2026-XXXX, upgrade to the patched version of libuv as specified in the recent commit.
3
What type of vulnerability is CVE-2026-XXXX?
CVE-2026-XXXX is an off-by-one heap buffer overflow vulnerability.
4
Does CVE-2026-XXXX affect all versions of libuv?
CVE-2026-XXXX affects specific versions of libuv prior to the patch, so checking your version is crucial.
5
What platforms are affected by CVE-2026-XXXX?
CVE-2026-XXXX has been tested and confirmed to affect Windows 10, but other platforms using libuv may also be at risk.