CVE-2021-42863 Memory corruption in n/a
A buffer overflow in JerryScript allows attackers to cause memory corruption, potentially leading to code execution or denial of service.
- 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-2021-42863?
CVE-2021-42863 is a critical memory corruption vulnerability in Jerryscript Jerryscript, published on 12 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow in ecma_builtin_typedarray_prototype_filter() in JerryScript version fe3a5c0 allows an attacker to construct a fake object or a fake arraybuffer with unlimited size.
Weakness: CWE-120
Which versions are affected by CVE-2021-42863?
It affects 1 product.
Products include Jerryscript Jerryscript.
How do I fix CVE-2021-42863?
No fix has been published for CVE-2021-42863 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-2021-42863 being exploited?
There is no known exploitation of CVE-2021-42863 in the wild and no public exploit code.
Other vulnerabilities in Jerryscript Jerryscript
Sources
Also known as GHSA-8264-28h8-qcwg, UBUNTU-CVE-2021-42863.