In MuPDF 1.13.0, there is an infinite loop in the fz_skip_space function of the pdf/pdf-xref.c file. A remote adversary could leverage this vulnerability to cause a denial of service via a crafted pdf file.
Weakness
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mupdf | Artifex | 1.13.0 (including) | 1.13.0 (including) |
| Mupdf | Ubuntu | artful | * |
| Mupdf | Ubuntu | bionic | * |
| Mupdf | Ubuntu | cosmic | * |
| Mupdf | Ubuntu | disco | * |
| Mupdf | Ubuntu | eoan | * |
| Mupdf | Ubuntu | esm-apps/bionic | * |
| Mupdf | Ubuntu | focal | * |
| Mupdf | Ubuntu | groovy | * |
| Mupdf | Ubuntu | hirsute | * |
| Mupdf | Ubuntu | impish | * |
| Mupdf | Ubuntu | kinetic | * |
| Mupdf | Ubuntu | lunar | * |
| Mupdf | Ubuntu | mantic | * |
| Mupdf | Ubuntu | oracular | * |
| Mupdf | Ubuntu | trusty | * |
| Mupdf | Ubuntu | upstream | * |
| Mupdf | Ubuntu | xenial | * |
References
- http://www.ghostscript.com/cgi-bin/findgit.cgi?2e43685dc8a8a886fc9df9b3663cf199404f7637
- https://bugs.ghostscript.com/show_bug.cgi?id=699271
- https://lists.debian.org/debian-lts-announce/2021/09/msg00013.html
- https://bugs.ghostscript.com/show_bug.cgi?id=699271
- https://lists.debian.org/debian-lts-announce/2021/09/msg00013.html