Description
Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Scribus | Scribus | < 1.6.7, 1.7.0 – < 1.7.4 | 1.6.7 |
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 | scribus | No fix yet | — |
| Debian 13 | scribus | No fix yet | — |
| Debian 12 | scribus | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | scribus | No fix yet | — |
| Ubuntu 26.04 LTS | scribus | No fix yet | — |
| Ubuntu 24.04 LTS | scribus | No fix yet | — |
| Ubuntu 22.04 LTS | scribus | No fix yet | — |
| Ubuntu 20.04 LTS | scribus | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | scribus | No fix yet | — |
| Ubuntu 16.04 LTS | scribus | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | scribus | 1.6.7-1.1 | openSUSE-SU-2026:12444-1 |
| openSUSE Leap 16.0 | scribus | 1.6.7-bp160.1.1 | openSUSE-SU-2026:22254-1 |
Advisories 2
- openSUSE-SU-2026:22254-1 Security update for scribus SUSE / openSUSE Security Updates · Nov 11, 2026
- openSUSE-SU-2026:12444-1 scribus-1.6.7-1.1 on GA media SUSE / openSUSE Security Updates · Nov 6, 2026
References
- Patch Commit (1.6.x) patch
- Patch Commit (1.7.x) patch
- https://github.com/scribusproject/scribus product
- https://wiki.scribus.net/canvas/1.6.7_Release release-notes
- VulnCheck Advisory: Scribus before 1.6.7 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking third-party-advisory