OSV-2022-409 Heap-buffer-overflow in std::__1::__tree_node_base<void*>*& std::__1::__tree<std::__1::__value_type<std:
A heap-buffer-overflow in the nlohmann JSON library can cause a crash when parsing malformed input, affecting applications using this library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-409?
OSV-2022-409 is a memory corruption vulnerability in json, published on 12 May 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47391
Crash type: Heap-buffer-overflow READ 1
Crash state:
std::__1::__tree_node_base<void*>*& std::__1::__tree<std::__1::__value_type<std:
std::__1::pair<std::__1::__tree_iterator<std::__1::__value_type<std::__1::basic_
nlohmann::detail::binary_reader<nlohmann::basic_json<std::__1::map, std::__1::ve
Which versions are affected by OSV-2022-409?
1 open source package ship an affected version, including json.
| Package | Affected | Fixed in |
|---|---|---|
json OSS-Fuzz | All versions | None |
How do I fix OSV-2022-409?
No fix has been published for OSV-2022-409 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2022-409 being exploited?
There is no known exploitation of OSV-2022-409 in the wild and no public exploit code.