CVE-2026-103220 Memory corruption in affinity
Crafted Affinity documents can cause memory corruption or crashes via out-of-bounds reads, potentially allowing code execution.
- 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-2026-103220?
CVE-2026-103220 is a medium-severity memory corruption vulnerability in canva affinity, published on 9 Oct 2026. 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
The Affinity by Canva application before 3.3.1 (October 2026 release) did not perform adequate bounds checking when parsing raster image data in Affinity document files, leading to an out-of-bounds read and the dereference of an untrusted pointer. A threat actor could craft an Affinity document that, when opened by a user in Affinity, could result in memory corruption or an application crash.
Weakness: CWE-129
Which versions are affected by CVE-2026-103220?
How do I fix CVE-2026-103220?
No fix has been published for CVE-2026-103220 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-2026-103220 being exploited?
There is no known exploitation of CVE-2026-103220 in the wild and no public exploit code.
Sources
Also known as GHSA-42j6-qg67-fpwc.