A flaw was found in the Tar package. When attempting to read files with old V7 tar format with a specially crafted checksum, an invalid memory read may occur. An attacker could possibly use this issue to expose sensitive information or cause a crash.
paxdecodeheader in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.
Buffer overflow in the safernamesuffix function in GNU tar has unspecified attack vectors and impact, resulting in a "crashing stack."