CVE-2026-19773

Name of the Vulnerable Software and Affected Versions libwebsockets (affected versions not specified)

Description An issue exists in the parsing of the HTTP/2 HPACK path header due to insufficient validation of user-supplied data. This flaw can lead to an out-of-bounds write, where data is written past the end of an allocated buffer, allowing unauthenticated remote attackers to execute arbitrary code within the context of the current process.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.