libyara/lexer.l in YARA 3.5.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted rule that is mishandled in the yy_get_next_buffer function.
The product dereferences a pointer that it expects to be valid but is NULL.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Yara | Virustotal | 3.5.0 (including) | 3.5.0 (including) |
| Yara | Ubuntu | artful | * |
| Yara | Ubuntu | esm-apps/xenial | * |
| Yara | Ubuntu | upstream | * |
| Yara | Ubuntu | xenial | * |
| Yara | Ubuntu | yakkety | * |
| Yara | Ubuntu | zesty | * |