CVE-2020-23257 Memory corruption in n/a
A buffer overflow in the Espruino JavaScript engine allows attackers to cause a denial of service via the garbage collection function.
- 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-2020-23257?
CVE-2020-23257 is a high-severity memory corruption vulnerability in n/a, published on 4 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.
Weakness: CWE-120
Which versions are affected by CVE-2020-23257?
It affects 1 product.
Products include Espruino Espruino.
How do I fix CVE-2020-23257?
No fix has been published for CVE-2020-23257 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-2020-23257 being exploited?
There is no known exploitation of CVE-2020-23257 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jv2f-j4fc-4c7g.