CVE-2026-40493 | HappySeaFox sail Field Header out-of-bounds write (GHSA-rcqx-gc76-r9mv)

A vulnerability classified as critical was found in HappySeaFox sail. This affects an unknown part of the component Field Handler. Executing a manipulation of the argument Header can lead to out-of-bounds write.

This vulnerability is tracked as CVE-2026-40493. The attack can be launched remotely. No exploit exists.

A patch should be applied to remediate this issue.VulDB Recent EntriesRead More