CVE-2024-27530 pywasm3 contains a Use-After-Free in ForEachModule
A use-after-free vulnerability in the wasm3 library allows attackers to potentially execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-27530?
CVE-2024-27530 is a high-severity use after free vulnerability in n/a, published on 8 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wasm3 139076a contains a Use-After-Free in ForEachModule.
Weakness: CWE-416
Which versions are affected by CVE-2024-27530?
3 open source packages ship an affected version, including pywasm3. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
pywasm3 PyPI | All versions to 0.5.0 | None |
pywasm3 PyPI | All versions to 0.5.0 | None |
pywasm3 PyPI | All versions to 139076a | None |
Products include Wasm3 Project Wasm3.
How do I fix CVE-2024-27530?
No fix has been published for CVE-2024-27530 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 CVE-2024-27530 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-27530 exists.
Other vulnerabilities in n/a
- CVE-2024-34249 pywasm3 contains a heap buffer overflow which leads to segmentation fault
- CVE-2024-27528 pywasm3 has an Invalid Memory Read, Leading to DoS and Potential Code Execution
- CVE-2024-27529 wasm3 uncontrolled memory allocation vulnerability
- CVE-2022-28990 Buffer overflow in wasm3
- CVE-2024-27527 Denial of service in n/a
Sources
Also known as GHSA-46r6-92jg-22jg, PYSEC-2024-306.