CVE-2021-3826

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

CVE-1999-1439

gcc 2.7.2 allows local users to overwrite arbitrary files via a symlink attack on temporary .i, .s, or .o files.