Description
A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in function pnm_binary_read_image() of load-pnm.c when span equals zero.
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 | No fix yet | — |
| Debian 13 | mupdf | No fix yet | — |
| Debian 12 | mupdf | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | mupdf | 1.23.10+ds1-1ubuntu0.1~esm1 | USN-7888-1 |
| Ubuntu Pro 22.04 LTS | mupdf | 1.19.0+ds1-2ubuntu0.1~esm1 | USN-7888-1 |
| Ubuntu Pro 20.04 LTS | mupdf | 1.16.1+ds1-1ubuntu1+esm2 | USN-7888-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | mupdf | 1.12.0+ds1-1ubuntu0.1~esm2 | USN-7888-1 |
Advisories 1
- USN-7888-1 mupdf vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026