The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-563f85e690 advisory.

    Automatic update for mupdf-1.27.1-10.fc45.

    ##### **Changelog**

    ```
    * Thu Apr  2 2026 Michael J Gruber <mjg@fedoraproject.org> - 1.27.1-10
    - fix CVE-2026-3308 (rhbz#2454361)

    ```

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Debian 12 / 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6218 advisory.

    - -------------------------------------------------------------------------     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
    - -------------------------------------------------------------------------

    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

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-b56fe1f040 advisory.

    fix CVE-2026-3308 (rhbz#2454360)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-0ebdbc98c5 advisory.

    fix CVE-2026-3308 (rhbz#2454361)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-7a9c0c8c04 advisory.

    fix CVE-2026-3308 (rhbz#2454361)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to     maliciously craft a PDF that can trigger an integer overflow within the 'pdf_load_image_imp' function.
    This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.
    (CVE-2026-3308)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4540 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4540-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     April 21, 2026                                https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : mupdf     Version        : 1.17.0+ds1-2+deb11u2     CVE ID         : CVE-2026-3308     Debian Bug     : 1133189

    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 are opened.

    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

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
304842	Fedora 45 : mupdf (2026-563f85e690)	Nessus	Fedora Local Security Checks	4/4/2026	4/4/2026	high
307610	Debian dsa-6218 : libmupdf-dev - security update	Nessus	Debian Local Security Checks	4/20/2026	4/20/2026	high
306052	Fedora 42 : mupdf (2026-b56fe1f040)	Nessus	Fedora Local Security Checks	4/12/2026	4/12/2026	high
310682	Fedora 44 : mupdf (2026-0ebdbc98c5)	Nessus	Fedora Local Security Checks	4/28/2026	4/28/2026	high
306049	Fedora 43 : mupdf (2026-7a9c0c8c04)	Nessus	Fedora Local Security Checks	4/12/2026	4/12/2026	high
304716	Linux Distros Unpatched Vulnerability : CVE-2026-3308	Nessus	Misc.	4/3/2026	4/29/2026	high
307901	Debian dla-4540 : libmupdf-dev - security update	Nessus	Debian Local Security Checks	4/21/2026	4/21/2026	high

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