CVE-2020-23323 Memory corruption in n/a

Critical 9.8 Published Updated

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

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-2020-23323?

CVE-2020-23323 is a critical memory corruption vulnerability in Jerryscript Jerryscript, published on 10 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a heap-buffer-overflow at re-parser.c in re_parse_char_escape in JerryScript 2.2.0.

Weakness: CWE-787

Which versions are affected by CVE-2020-23323?

It affects 1 product.

Products include Jerryscript Jerryscript.

How do I fix CVE-2020-23323?

No fix has been published for CVE-2020-23323 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-2020-23323 being exploited?

There is no known exploitation of CVE-2020-23323 in the wild and no public exploit code.

All Jerryscript Jerryscript vulnerabilities

Sources

Also known as GHSA-j6mq-crhw-3j24, UBUNTU-CVE-2020-23323.

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