An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_smacro() in modules/preprocs/nasm/nasm-pp.c.
The product dereferences a pointer that it expects to be valid but is NULL.
| Name | Vendor | Start Version | End Version | 
|---|---|---|---|
| Yasm | Tortall | 1.3.0 (including) | 1.3.0 (including) | 
| Yasm | Ubuntu | bionic | * | 
| Yasm | Ubuntu | focal | * | 
| Yasm | Ubuntu | kinetic | * | 
| Yasm | Ubuntu | lunar | * | 
| Yasm | Ubuntu | mantic | * | 
| Yasm | Ubuntu | oracular | * | 
| Yasm | Ubuntu | trusty | * | 
| Yasm | Ubuntu | xenial | * |