OSV-2024-384 Heap-use-after-free in json_fixed_string
A heap-use-after-free vulnerability in the json_fixed_string function allows attackers to potentially execute code or cause denial of service via crafted DWG files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2024-384?
OSV-2024-384 is an use after free vulnerability in libredwg, published on 30 Apr 2024.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=67528
Crash type: Heap-use-after-free WRITE 11
Crash state:
json_fixed_string
json_RNUMBER_Header
dwg_read_json
Which versions are affected by OSV-2024-384?
1 open source package ship an affected version, including libredwg.
| Package | Affected | Fixed in |
|---|---|---|
libredwg OSS-Fuzz | All versions | None |
How do I fix OSV-2024-384?
No fix has been published for OSV-2024-384 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-2024-384 being exploited?
There is no known exploitation of OSV-2024-384 in the wild and no public exploit code.