Description
An exploitable integer overflow exists in the way that the Blender open-source 3d creation suite v2.78c converts curves to polygons. A specially crafted .blend file can cause an integer overflow resulting in a buffer overflow which can allow for code execution under the context of the application. An attacker can convince a user to open the file or use the file as a library in order to trigger this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Blender | Blender | v2.78c | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | blender | 2.79.a+dfsg0-1 | — |
| Debian 13 | blender | 2.79.a+dfsg0-1 | — |
| Debian 12 | blender | 2.79.a+dfsg0-1 | — |
| Debian 9 | blender | 2.79.b+dfsg0-1~deb9u1 | DSA-4248-1 |
| Debian 8 | blender | 2.72.b+dfsg0-3+deb8u1 | DLA-1465-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | blender | No fix yet | — |
Advisories 2
- DSA-4248-1 blender - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1465-1 blender - security update Debian Security (DSA / DLA) · Mar 9, 2026