| Package | Affected versions | Patched versions |
|---|---|---|
| nanopb | ≥ 0.3.0, < 0.3.9.5≥ 0.4.0, < 0.4.1< 0.2.9.4 | 0.3.9.50.4.10.2.9.4 |
There is a potentially exploitable out of memory condition In Nanopb before 0.4.1, 0.3.9.5, and 0.2.9.4. When nanopb is compiled with PB_ENABLE_MALLOC, the message to be decoded contains a repeated string, bytes or message field and realloc() runs out of memory when expanding the array nanopb can end up calling `free()` on a pointer value that comes from uninitialized memory. Depending on platform this can result in a crash or further memory corruption, which may be exploitable in some cases. This problem is fixed in nanopb-0.4.1, nanopb-0.3.9.5, nanopb-0.2.9.4.
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