Vulnerability in Artifex Mupdf
CVE-2018-16648
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Artifex Mupdf — versions 1.13.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.ghostscript.com/show_bug.cgi (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00019.html (mailing-list)
- cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/
Frequently asked questions
- What is CVE-2018-16648?
- CVE-2018-16648 is a medium-severity vulnerability in Artifex Mupdf, classified under Improper Validation of Array Index. CVSS score: 5.5/10. Published 2018-09-06.
- How severe is CVE-2018-16648?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2018-16648 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.