CVE-2018-18582 Memory corruption in n/a

High 8.8 Published 22 Oct 2018 Updated 5 Aug 2024

A heap-based buffer overflow in LuPng allows attackers to execute arbitrary code or cause denial of service via crafted PNG files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-18582?

CVE-2018-18582 is a high-severity memory corruption vulnerability in n/a, published on 22 Oct 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue has been found in LuPng through 2017-03-10. It is a heap-based buffer overflow in insertByte in miniz/lupng.c during a write operation for data obtained from a palette.

Weakness: CWE-787

Which versions are affected by CVE-2018-18582?

It affects 1 product.

Products include Lupng Project Lupng.

How do I fix CVE-2018-18582?

No fix has been published for CVE-2018-18582 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-2018-18582 being exploited?

There is no known exploitation of CVE-2018-18582 in the wild and no public exploit code.

Sources

Also known as GHSA-8w67-pmwr-hh36.