CVE-2021-3605 Memory corruption in OpenEXR
An attacker can cause a denial of service via an out-of-bounds read in OpenEXR by submitting a crafted file to an application using the library.
- 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
- Available
What is CVE-2021-3605?
CVE-2021-3605 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 25 Aug 2021. 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
There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability.
Which versions are affected by CVE-2021-3605?
It affects 3 products.
Products include Debian Debian Linux, Openexr Openexr, Redhat Enterprise Linux.
How do I fix CVE-2021-3605?
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-2021-3605 being exploited?
There is no known exploitation of CVE-2021-3605 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-44529, DEBIAN-CVE-2021-3605, GHSA-c2vj-fxvp-674h, JLSEC-2026-129, OESA-2021-1339, UBUNTU-CVE-2021-3605.