A flaw was found in the libX11 package in the_XFreeX11XCBStructure function of the xcb_disp.c file. The manipulation of the argument dpy may lead to a memory leak, resulting in a crash.
bugzilla.redhat.com/show_bug.cgi?id=2136412
nvd.nist.gov/vuln/detail/CVE-2022-3555
ubuntu.com/security/CVE-2022-3555
www.cve.org/CVERecord?id=CVE-2022-3555