CVE-2023-36109 Memory corruption in n/a

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code via a buffer overflow in the JerryScript JavaScript engine.

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-2023-36109?

CVE-2023-36109 is a critical memory corruption vulnerability in Jerryscript Jerryscript, published on 20 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.

Weakness: CWE-120

Which versions are affected by CVE-2023-36109?

It affects 1 product.

Products include Jerryscript Jerryscript.

How do I fix CVE-2023-36109?

No fix has been published for CVE-2023-36109 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-2023-36109 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-36109 exists.

Public exploit code: 1 proofs of concept on GitHub.

All Jerryscript Jerryscript vulnerabilities

Sources

Also known as GHSA-7fm9-3h22-jxvh, UBUNTU-CVE-2023-36109.

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