CVE-2024-34251 Memory corruption in n/a
A remote attacker can cause a denial of service in the wasm-micro-runtime library via an out-of-bounds memory read.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-34251?
CVE-2024-34251 is a high-severity memory corruption vulnerability in n/a, published on 6 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bound memory read vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause a denial of service via the "block_type_get_arity" function in core/iwasm/interpreter/wasm.h.
Weakness: CWE-125
Which versions are affected by CVE-2024-34251?
It affects 1 product.
Products include Bytecodealliance Webassembly Micro Runtime.
How do I fix CVE-2024-34251?
No fix has been published for CVE-2024-34251 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 CVE-2024-34251 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-34251 exists.
Other vulnerabilities in n/a
- CVE-2024-25431 Memory corruption in n/a
- CVE-2024-27532 Null dereference in n/a
- CVE-2023-48105 Memory corruption in n/a
- CVE-2025-43853 iwasm vulnerable to filesystem sandbox escape with symlink when using uvwasi feature
- CVE-2025-54126 WebAssembly Micro Runtime's `--addr-pool` option allows all IPv4 addresses when subnet mask is not specified
Sources
Also known as GHSA-v4vq-27w6-p28p.