CVE-2021-44956 Memory corruption in n/a

Medium 6.5 Published Updated

A heap-based buffer overflow in the ffjpeg library allows attackers to cause a denial of service via a crafted JPEG file.

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-2021-44956?

CVE-2021-44956 is a medium-severity memory corruption vulnerability in n/a, published on 8 Feb 2022. 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

Two Heap based buffer overflow vulnerabilities exist in ffjpeg through 01.01.2021. It is similar to CVE-2020-23852. Issues that are in the jfif_decode function at ffjpeg/src/jfif.c (line 552) could cause a Denial of Service by using a crafted jpeg file.

Weakness: CWE-787

Which versions are affected by CVE-2021-44956?

It affects 1 product.

Products include Rockcarry Ffjpeg.

How do I fix CVE-2021-44956?

No fix has been published for CVE-2021-44956 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-2021-44956 being exploited?

There is no known exploitation of CVE-2021-44956 in the wild and no public exploit code.

Sources

Also known as GHSA-74g3-jv9w-535w.

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