CVE-2023-31921 Denial of service in n/a
An assertion failure in the big integer division module allows attackers to cause a denial of service in applications using the Jerryscript engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-31921?
CVE-2023-31921 is a medium-severity denial of service vulnerability in Jerryscript Jerryscript, published on 12 May 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Jerryscript 3.0 (commit 05dbbd1) was discovered to contain an Assertion Failure via the ecma_big_uint_div_mod at jerry-core/ecma/operations/ecma-big-uint.c.
Weakness: CWE-617
Which versions are affected by CVE-2023-31921?
It affects 1 product.
Products include Jerryscript Jerryscript.
How do I fix CVE-2023-31921?
No fix has been published for CVE-2023-31921 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-31921 being exploited?
There is no known exploitation of CVE-2023-31921 in the wild and no public exploit code.
Other vulnerabilities in Jerryscript Jerryscript
Sources
Also known as GHSA-q6hg-8gx7-px5q.