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Ubuntu DSA-7219-1 Ghostscript Severe Buffer Underflow DDoS CVE-2026-4401

debian
Calendar Grey April 18, 2026
Debian Logo
Heap-based buffer overflow in MuPDF leads to potential DoS and arbitrary code execution. Upgrade recommended for Debian package.
A heap-based buffer overflow flaw was discovered in MuPDF, a lightweight PDF viewer, which may result in denial of service or the execution of arbitrary code if malformed documents...
Topics%20covered

Topics Covered

security advisory denial of service buffer overflow debian important mupdf

Summary

For the oldstable distribution (bookworm), this problem has been fixed
in version 1.21.1+ds2-1+deb12u1.

For the stable distribution (trixie), this problem has been fixed in
version 1.25.1+ds1-6+deb13u1.

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/source-package/mupdf

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
important
Lowest
Low
Medium
High
Critical

Package: mupdf
CVE ID: CVE-2026-3308

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow debian important mupdf

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