GNU is vulnerable to integer overflows. The vulnerability exists in demangle_template function in cplus-dem.c which causes a heap based overflow crashing the application.
www.securityfocus.com/bid/106454
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
access.redhat.com/errata/RHSA-2021:4386
access.redhat.com/security/updates/classification/#low
bugzilla.redhat.com/show_bug.cgi?id=1664709
sourceware.org/bugzilla/show_bug.cgi?id=24039