Description
In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.
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 | 1.13.0+ds1-1 | — |
| Debian 13 | mupdf | 1.13.0+ds1-1 | — |
| Debian 12 | mupdf | 1.13.0+ds1-1 | — |
| Debian 9 | mupdf | 1.9a+ds1-4+deb9u4 | DSA-4334-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | mupdf | No fix yet | — |
| Ubuntu Pro 16.04 LTS | mupdf | No fix yet | — |
Advisories 1
- DSA-4334-1 mupdf - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- GLSA-201811-15 vendor-advisory
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=8a3257b01faa899dd9b5e35c6bb3403cd709c371%3Bhp=de39f005f12a1afc6973c1f5cec362d6545f70cb
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5511
- DSA-4334 vendor-advisory
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=b2e7d38e845c7d4922d05e6e41f3a2dc1bc1b14a%3Bhp=f51836b9732c38d945b87fda0770009a77ba680c
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5503
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5501
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=71ceebcf56e682504da22c4035b39a2d451e8ffd%3Bhp=7f82c01523505052615492f8e220f4348ba46995
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5490
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5564
- https://bugs.ghostscript.com/show_bug.cgi?id=698888
- https://bugs.ghostscript.com/show_bug.cgi?id=698882
- https://bugs.ghostscript.com/show_bug.cgi?id=698886
- https://bugs.ghostscript.com/show_bug.cgi?id=698890