CVE-2022-45491 Memory corruption in n/a

High 7.8 Published Updated

A buffer overflow in the sheredom json library allows attackers to execute arbitrary code and escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-45491?

CVE-2022-45491 is a high-severity memory corruption vulnerability in n/a, published on 3 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow vulnerability in function json_parse_value in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2022-45491?

It affects 1 product.

Products include Json.h Project Json.h.

How do I fix CVE-2022-45491?

No fix has been published for CVE-2022-45491 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-2022-45491 being exploited?

There is no known exploitation of CVE-2022-45491 in the wild and no public exploit code.

Sources

Also known as AZL-74511, GHSA-55fm-gm4m-3v3j.

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