The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d939698c2e advisory.

    Update to openexr-3.3.9.

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

Note that Nessus has not tested for these issues 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.

  - OpenEXR provides the specification and reference implementation of the EXR file format, an image storage     format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer     overflow exists in undo_pxr24_impl() in src/lib/OpenEXRCore/internal_pxr24.c at line 377. The expression     (uint64_t)(w * 3) computes w * 3 as a signed 32-bit integer before casting to uint64_t. When w is large,     this multiplication constitutes undefined behavior under the C standard. On tested builds (clang/gcc     without sanitizers), two's-complement wraparound commonly occurs, and for specific values of w the wrapped     result is a small positive integer, which may allow the subsequent bounds check to pass incorrectly. If     the check is bypassed, the decoding loop proceeds to write pixel data through dout, potentially extending     far beyond the allocated output buffer. This vulnerability is fixed in 3.2.7, 3.3.9, and 3.4.9.
    (CVE-2026-34380)

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

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8259-1 advisory.

    Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep     scan line image files. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a     denial of service, or execute arbitrary code. (CVE-2026-27622)

    It was discovered that OpenEXR had an integer overflow in the PXR24 decoder. An attacker could possibly     use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code.
    This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-34380)

    Quang Luong discovered that OpenEXR had a signed integer overflow in the PIZ decoder. An attacker could     possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary     code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-34588)

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

Note that Nessus has not tested for these issues 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 multiple vulnerabilities as referenced in the FEDORA-2026-c803743b67 advisory.

    Update to openexr-3.3.9.

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

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

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the adb096d4-2e72-11f1-acc1-339a1a6999b0 advisory.

    Cary Phillips reports:
    [OpenEXR 3.4.9] addresses the following CVEs:

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

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

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-c0f8cde7ad advisory.

    Automatic update for usd-26.03-3.fc45.

    ##### **Changelog**

    ```
    * Wed Apr  8 2026 Benjamin A. Beasley <code@musicinmybrain.net> - 26.03-3
    - Backport several OpenEXRCore security fixes
    - Fixes CVE-2026-34378 / GHSA-v76p-4qvv-vh4g; closes RHBZ#2455493
    - Fixes CVE-2026-34380 / GHSA-q3v8-hw4m-59w5; closes RHBZ#2455534
    - Fixes CVE-2026-34588 / GHSA-588r-cr5c-w6hf; closes RHBZ#2455505
    - Fixes CVE-2026-34589 / GHSA-p8xc-w3q4-h64x; closes RHBZ#2455501
    - Fixes CVE-2026-34379 / GHSA-w88v-vqhq-5p24; closes RHBZ#2455497

    ```

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

Note that Nessus has not tested for these issues 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 multiple vulnerabilities as referenced in the FEDORA-2026-cde75a1416 advisory.

    Backport several OpenEXRCore security fixes

    - Fixes CVE-2026-34378 / GHSA-v76p-4qvv-vh4g; closes RHBZ#2455493
    - Fixes CVE-2026-34380 / GHSA-q3v8-hw4m-59w5; closes RHBZ#2455534
    - Fixes CVE-2026-34588 / GHSA-588r-cr5c-w6hf; closes RHBZ#2455505
    - Fixes CVE-2026-34589 / GHSA-p8xc-w3q4-h64x; closes RHBZ#2455501
    - Fixes CVE-2026-34379 / GHSA-w88v-vqhq-5p24; closes RHBZ#2455497

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

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

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20605-1 advisory.

    - CVE-2026-34379: misaligned memory write during file decoding can cause a denial of service     (bsc#1261621).
    - CVE-2026-34380: lack of proper check can lead to integer overflow in image decoding (bsc#1261622).
    - CVE-2026-34588: crafted EXR file can lead to out of bound read and write (bsc#1261624).
    - CVE-2026-34589: crafted scanline DWAA file can lead to arbitrary code execution or denial of service     (bsc#1261634).

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

Note that Nessus has not tested for these issues 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 multiple vulnerabilities as referenced in the FEDORA-2026-502486fc61 advisory.

    Backport several OpenEXRCore security fixes

    - Fixes CVE-2026-34378 / GHSA-v76p-4qvv-vh4g; closes RHBZ#2455493
    - Fixes CVE-2026-34380 / GHSA-q3v8-hw4m-59w5; closes RHBZ#2455534
    - Fixes CVE-2026-34588 / GHSA-588r-cr5c-w6hf; closes RHBZ#2455505
    - Fixes CVE-2026-34589 / GHSA-p8xc-w3q4-h64x; closes RHBZ#2455501
    - Fixes CVE-2026-34379 / GHSA-w88v-vqhq-5p24; closes RHBZ#2455497

    ----

    Backport fix for CVE-2026-34544 in OpenEXRCore

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

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1612 advisory.

    OpenEXR provides the specification and reference implementation of the EXR file format, an image storage     format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the     dataWindow attribute in EXR file headers allows an attacker to trigger a signed integer overflow in     generic_unpack(). By setting dataWindow.min.x to a large negative value, OpenEXRCore computes an enormous     image width, which is later used in a signed integer multiplication that overflows, causing the process to     terminate with SIGILL via UBSan. This vulnerability is fixed in 3.4.9. (CVE-2026-34378)

    OpenEXR provides the specification and reference implementation of the EXR file format, an image storage     format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer     overflow exists in undo_pxr24_impl() in src/lib/OpenEXRCore/internal_pxr24.c at line 377. The expression     (uint64_t)(w * 3) computes w * 3 as a signed 32-bit integer before casting to uint64_t. When w is large,     this multiplication constitutes undefined behavior under the C standard. On tested builds (clang/gcc     without sanitizers), two's-complement wraparound commonly occurs, and for specific values of w the wrapped     result is a small positive integer, which may allow the subsequent bounds check to pass incorrectly. If     the check is bypassed, the decoding loop proceeds to write pixel data through dout, potentially extending     far beyond the allocated output buffer. This vulnerability is fixed in 3.2.7, 3.3.9, and 3.4.9.
    (CVE-2026-34380)

    OpenEXR provides the specification and reference implementation of the EXR file format, an image storage     format for the motion picture industry. From 3.1.0 to before 3.2.7, 3.3.9, and 3.4.9,     internal_exr_undo_piz() advances the working wavelet pointer with signed 32-bit arithmetic. Because nx,     ny, and wcount are int, a crafted EXR file can make this product overflow and wrap. The next channel then     decodes from an incorrect address. The wavelet decode path operates in place, so this yields both out-of-     bounds reads and out-of-bounds writes. This vulnerability is fixed in 3.2.7, 3.3.9, and 3.4.9.
    (CVE-2026-34588)

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

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

ID	Name	Product	Family	Published	Updated	Severity
306608	Fedora 42 : mingw-openexr (2026-d939698c2e)	Nessus	Fedora Local Security Checks	4/16/2026	4/16/2026	high
305085	Linux Distros Unpatched Vulnerability : CVE-2026-34380	Nessus	Misc.	4/6/2026	5/8/2026	medium
314214	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : OpenEXR vulnerabilities (USN-8259-1)	Nessus	Ubuntu Local Security Checks	5/11/2026	5/11/2026	high
306616	Fedora 43 : mingw-openexr (2026-c803743b67)	Nessus	Fedora Local Security Checks	4/16/2026	4/16/2026	high
305001	FreeBSD : openexr -- multiple vulnerabilities (adb096d4-2e72-11f1-acc1-339a1a6999b0)	Nessus	FreeBSD Local Security Checks	4/5/2026	4/8/2026	high
305305	Fedora 45 : usd (2026-c0f8cde7ad)	Nessus	Fedora Local Security Checks	4/8/2026	4/8/2026	high
307408	Fedora 43 : usd (2026-cde75a1416)	Nessus	Fedora Local Security Checks	4/17/2026	4/17/2026	high
310089	openSUSE 16 Security Update : openexr (openSUSE-SU-2026:20605-1)	Nessus	SuSE Local Security Checks	4/24/2026	4/24/2026	high
310538	Fedora 44 : usd (2026-502486fc61)	Nessus	Fedora Local Security Checks	4/27/2026	4/27/2026	high
311329	Amazon Linux 2023 : openexr, openexr-devel, openexr-libs (ALAS2023-2026-1612)	Nessus	Amazon Linux Local Security Checks	4/30/2026	4/30/2026	high

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