CVE-2019-1010176 Memory corruption in JerryScript

Critical 9.8 Published 25 Jul 2019 Updated 5 Aug 2024

A buffer overflow in JerryScript allows attackers to cause denial of service or execute arbitrary code via crafted JavaScript.

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-2019-1010176?

CVE-2019-1010176 is a critical memory corruption vulnerability in Jerryscript Jerryscript, published on 25 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

JerryScript commit 4e58ccf68070671e1fff5cd6673f0c1d5b80b166 is affected by: Buffer Overflow. The impact is: denial of service and possibly arbitrary code execution. The component is: function lit_char_to_utf8_bytes (jerry-core/lit/lit-char-helpers.c:377). The attack vector is: executing crafted javascript code. The fixed version is: after commit 505dace719aebb3308a3af223cfaa985159efae0.

Weakness: CWE-787

Which versions are affected by CVE-2019-1010176?

It affects 1 product.

Products include Jerryscript Jerryscript.

How do I fix CVE-2019-1010176?

No fix has been published for CVE-2019-1010176 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-2019-1010176 being exploited?

There is no known exploitation of CVE-2019-1010176 in the wild and no public exploit code.

All Jerryscript Jerryscript vulnerabilities

Sources

Also known as GHSA-3xh3-gmcq-76vr, UBUNTU-CVE-2019-1010176.