CVE-2020-6618 Memory corruption in n/a

High 8.8 Published 8 Jan 2020 Updated 4 Aug 2024

A heap-based buffer over-read in the stb_truetype library allows attackers to cause denial of service or disclose sensitive memory contents.

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-2020-6618?

CVE-2020-6618 is a high-severity memory corruption vulnerability in n/a, published on 8 Jan 2020. 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

stb stb_truetype.h through 1.22 has a heap-based buffer over-read in stbtt__find_table.

Weakness: CWE-125

Which versions are affected by CVE-2020-6618?

It affects 1 product.

Products include Nothings Stb Truetype.h.

How do I fix CVE-2020-6618?

No fix has been published for CVE-2020-6618 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-2020-6618 being exploited?

There is no known exploitation of CVE-2020-6618 in the wild and no public exploit code.

Sources

Also known as GHSA-76cg-r53q-v3qw, UBUNTU-CVE-2020-6618.