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[SECURITY] [DSA 6218-1] mupdf security update

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Debian Security Advisory DSA-6218-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
April 18, 2026                        https://www.debian.org/security/faq
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Package        : mupdf
CVE ID         : CVE-2026-3308
Debian Bug     : 1133189

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 are opened.

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/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/

Mailing list: debian-security-announce@lists.debian.org
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[SECURITY] [DSA 6218-1] mupdf security update Salvatore Bonaccorso <carnil@debian.org> - 2026-04-18 17:20 +0200

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