There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function
    do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the
    argument width/height causes heap-based buffer overflow. The attack is restricted to local execution. The
    exploit has been published and may be used. The project was informed of the problem early through an issue
    report but has not responded yet. (CVE-2026-3713)

An update of the libpng package has been released.

The remote NewStart CGSL host, running version MAIN 7.02, has libpng packages installed that are affected by multiple vulnerabilities:

  - A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function     do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the     argument width/height causes heap-based buffer overflow. The attack is restricted to local execution. The     exploit has been published and may be used. The project was informed of the problem early through an issue     report but has not responded yet. (CVE-2026-3713)

  - LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable     Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the     png_set_quantize() API function. When the function is called with no histogram and the number of colors in     the palette is more than twice the maximum supported by the user's display, certain palettes will cause     the function to enter into an infinite loop that reads past the end of an internal heap-allocated buffer.
    The images that trigger this vulnerability are valid per the PNG specification. This vulnerability is     fixed in 1.6.55. (CVE-2026-25646)

  - LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable     Network Graphics) raster image files. Prior to version 1.6.51, a heap buffer over-read vulnerability     exists in libpng's png_do_quantize function when processing PNG files with malformed palette indices. The     vulnerability occurs when palette_lookup array bounds are not validated against externally-supplied image     data, allowing an attacker to craft a PNG file with out-of-range palette indices that trigger out-of-     bounds memory access. This issue has been patched in version 1.6.51. (CVE-2025-64505)

  - LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable     Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read     vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the     simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha,     RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter     code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue     has been patched in version 1.6.51. (CVE-2025-64506)

  - LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable     Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, an out-of-bounds read     vulnerability exists in png_image_read_composite when processing palette images with     PNG_FLAG_OPTIMIZE_ALPHA enabled. The palette compositing code in png_init_read_transformations incorrectly     applies background compositing during premultiplication, violating the invariant component  alpha  257     required by the simplified PNG API. This issue has been patched in version 1.6.51. (CVE-2025-64720)

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.

  - A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function     do_pnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the     argument width/height causes heap-based buffer overflow. The attack is restricted to local execution. The     exploit has been published and may be used. The project was informed of the problem early through an issue     report but has not responded yet. (CVE-2026-3713)

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

The version of IBM Cognos Analytics installed on the remote host is 12.1.x prior to 12.1.3 FP2. It is, therefore, affected by multiple vulnerabilities as referenced in the IBM Security Bulletin No. 7287209. These vulnerabilities are applicable only to version 12.1.3 due to newer functionalities and an updated software stack:

  - Arbitrary class instantiation via model manifest in Apache OpenNLP ExtensionLoader. The     ExtensionLoader.instantiateExtension() method loads a class by its fully-qualified name via     Class.forName() and invokes its no-arg constructor, with the class name sourced from the     manifest.properties entry of a model archive. An attacker who can supply a crafted model archive can     cause the static initializer of any class on the classpath to run during model loading.
    (CVE-2026-42027)

  - XML External Entity (XXE) via unsanitized dictionary parsing in Apache OpenNLP     DictionaryEntryPersistor. An attacker who can supply a crafted dictionary file containing a malicious     DOCTYPE declaration can trigger local file disclosure via file:// entity references or server-side     request forgery via http:// entity references during SAX parsing. (CVE-2026-40682)

  - An authenticated attacker may bypass the fix in CVE-2026-34197 by adding a connector using an HTTP     Discovery transport via BrokerView.addNetworkConnector or BrokerView.addConnector through Jolokia if the     activemq-http module is on the classpath, resulting in arbitrary code execution on the Apache ActiveMQ     broker's JVM. (CVE-2026-40466)

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
457310	Echo: libpng1.6: security update to 1.6.56-1+e1	Tenable Self-Hosted Container Security	Echo Local Security Checks	10/2/2026	10/2/2026	medium
457310	Echo: libpng1.6: security update to 1.6.56-1+e1	Tenable Cloud Security	Echo Local Security Checks	10/2/2026	10/2/2026	medium
333963	Photon OS 5.0: Libpng PHSA-2026-5.0-91-0802	Nessus	PhotonOS Local Security Checks	8/10/2026	11/2/2026	medium
305121	Photon OS 5.0: Libpng PHSA-2026-5.0-0802	Nessus	PhotonOS Local Security Checks	4/7/2026	10/14/2026	medium
343581	NewStart CGSL MAIN 7.02 : libpng Multiple Vulnerabilities (NS-SA-2026-0100)	Nessus	NewStart CGSL Local Security Checks	9/8/2026	9/8/2026	high
375004	Photon OS 5.0: Libpng PHSA-2026-5.0-92-0883	Nessus	PhotonOS Local Security Checks	11/2/2026	11/3/2026	medium
301483	Linux Distros Unpatched Vulnerability : CVE-2026-3713	Nessus	Misc.	3/8/2026	9/2/2026	medium
347959	IBM Cognos Analytics 12.1.x < 12.1.3 FP2 Multiple Vulnerabilities (7287209)	Nessus	CGI abuses	9/18/2026	9/21/2026	high

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