The MPlayer Project v1.5 was discovered to contain a heap use-after-free resulting in a double free in the preinit function at libvo/vo_v4l2.c. This vulnerability can lead to a Denial of Service (DoS) via a crafted file. The device=strdup statement is not executed on every call. Note: This has been disputed by third parties as invalid and not reproduceable.
Weakness
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mplayer | Mplayerhq | 1.5 (including) | 1.5 (including) |
| Mplayer | Ubuntu | bionic | * |
| Mplayer | Ubuntu | impish | * |
| Mplayer | Ubuntu | kinetic | * |
| Mplayer | Ubuntu | lunar | * |
| Mplayer | Ubuntu | mantic | * |
| Mplayer | Ubuntu | trusty | * |
| Mplayer | Ubuntu | xenial | * |