Description
Use-after-free vulnerability in the fz_subsample_pixmap function in fitz/pixmap.c in Artifex MuPDF 1.10a allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted document.
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 | mupdf | 1.9a+ds1-3 | — |
| Debian 13 | mupdf | 1.9a+ds1-3 | — |
| Debian 12 | mupdf | 1.9a+ds1-3 | — |
| Debian 8 | mupdf | 1.5-1+deb8u2 | DSA-3797-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | mupdf | No fix yet | — |
Advisories 1
- DSA-3797-1 mupdf - security update Debian Security (DSA / DLA) · Mar 9, 2026