Vulnerability Details : 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.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-16648
Probability of exploitation activity in the next 30 days: 0.10%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 40 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-16648
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-16648
-
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-16648
-
https://bugs.ghostscript.com/show_bug.cgi?id=699685
699685 – MuPDF 1.13.0 arry index underflowExploit;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
[SECURITY] [DLA 2289-1] mupdf security update
Products affected by CVE-2018-16648
- cpe:2.3:a:artifex:mupdf:1.13.0:*:*:*:*:*:*:*