OSV-2022-425 Heap-use-after-free in std::__1::__tree_node_base<void*>*& std::__1::__tree<std::__1::__value_type<std:
A heap-use-after-free vulnerability in the nlohmann JSON library allows attackers to cause crashes or potentially execute arbitrary code via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-425?
OSV-2022-425 is an use after free vulnerability in json, published on 21 May 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47533
Crash type: Heap-use-after-free 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-2022-425?
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-2022-425?
No fix has been published for OSV-2022-425 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2022-425 being exploited?
There is no known exploitation of OSV-2022-425 in the wild and no public exploit code.