Description
In Artifex MuPDF 1.13.0, the fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. This is caused by a pdf/pdf-device.c pdf_dev_alpha array-index underflow.
Metrics
CVSS 3.0 5.5/10
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://bugs.ghostscript.com/show_bug.cgi?id=699685Exploit, Third Party Advisory
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=38f883fe129a5e89306252a4676eaaf4bc968824
- https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
- https://bugs.ghostscript.com/show_bug.cgi?id=699685Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
Timeline
- Published
- Sep 6, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified