CVE-2021-36489 Memory corruption in n/a
Attackers can cause denial of service in the Allegro library by providing crafted image files to the image addon.
- 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-2021-36489?
CVE-2021-36489 is a medium-severity memory corruption vulnerability in n/a, published on 3 Feb 2023. 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
Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/TGA/BMP files to allegro_image addon.
Weakness: CWE-787
Which versions are affected by CVE-2021-36489?
It affects 1 product.
Products include Liballeg Allegro.
How do I fix CVE-2021-36489?
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-2021-36489 being exploited?
There is no known exploitation of CVE-2021-36489 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2021-36489, GHSA-79jf-r7mw-w7h5, UBUNTU-CVE-2021-36489.