CVE-2018-14876 Memory corruption in n/a

Medium 5.5 Published Updated

Attackers can trigger memory corruption via a crafted PNG image, potentially leading to code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-14876?

CVE-2018-14876 is a medium-severity memory corruption vulnerability in n/a, published on 3 Aug 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in image_save_png in image/image-png.cpp in Free Lossless Image Format (FLIF) 0.3. Attackers can trigger a longjmp that leads to an uninitialized stack frame after a libpng error concerning the IHDR image width.

Which versions are affected by CVE-2018-14876?

It affects 1 product.

Products include Flif Flif.

How do I fix CVE-2018-14876?

No fix has been published for CVE-2018-14876 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-2018-14876 being exploited?

There is no known exploitation of CVE-2018-14876 in the wild and no public exploit code.

Sources

Also known as GHSA-j3wq-rfcj-c2wh.

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