Debian 11 MuPDF Critical Denial of Service Vulnerability DLA-4540-1
debian lts
April 21, 2026
Yarden Porat found a heap-based buffer overwrite in MuPDF, a lightweight PDF viewer, which may result in denial of service or the execution of arbitrary code if malformed documents...
Topics Covered
Summary
For Debian 11 bullseye, this problem has been fixed in version
1.17.0+ds1-2+deb11u2.
We recommend that you upgrade your mupdf packages.
For the detailed security status of mupdf please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mupdf
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
PREVIOUS
NEXT
Severity
critical
Lowest
Low
Medium
High
Critical
Package: mupdf
Version: 1.17.0+ds1-2+deb11u2
CVE ID: CVE-2026-3308
Debian Bug: 1133189
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!