Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2020-21896
Medium 5.5
In plain English
A medium-severity security flaw in the mupdf package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 56.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mupdf | 1.19.0+ds1-1 | DEBIAN-CVE-2020-21896 |
| Debian:13 | mupdf | 1.19.0+ds1-1 | DEBIAN-CVE-2020-21896 |
| Debian:14 | mupdf | 1.19.0+ds1-1 | DEBIAN-CVE-2020-21896 |