CVE-2020-19499 Memory corruption in n/a

High 8.8 Published 21 Jul 2021 Updated 4 Aug 2024

Attackers can cause a denial of service via invalid memory read in libheif, affecting applications processing HEIF images.

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: Available

What is CVE-2020-19499?

CVE-2020-19499 is a high-severity memory corruption vulnerability in n/a, published on 21 Jul 2021. 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 was discovered in heif::Box_iref::get_references in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impact due to an invalid memory read.

Weakness: CWE-125

Which versions are affected by CVE-2020-19499?

It affects 1 product.

Products include Struktur Libheif.

How do I fix CVE-2020-19499?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-19499 being exploited?

There is no known exploitation of CVE-2020-19499 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2020-19499, GHSA-jrh2-f82p-h3mv.