Use After Free in Artifex Mupdf
CVE-2020-21896
A Use After Free vulnerability in svg_dev_text_span_as_paths_defs function in source/fitz/svg-device.c in Artifex Software MuPDF 1.16.0 allows remote attackers to cause a denial of service via opening of a crafted PDF file.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Artifex Mupdf — versions 1.16.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.ghostscript.com/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)
- www.ghostscript.com/cgi-bin/findgit.cgi
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2020-21896?
- CVE-2020-21896 is a medium-severity vulnerability in Artifex Mupdf, classified under Use After Free. CVSS score: 5.5/10. Published 2023-08-22.
- How severe is CVE-2020-21896?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-21896 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.