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

  - Pillow is a Python imaging library. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded
    scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two
    bytes per pixel, while an unrecognized JPEG mode can be decoded as JCS_UNKNOWN with four components,
    causing ImagingJpegDecode to write four-component scanlines into the two-byte tile buffer. An attacker can
    supply a crafted OLE2 FlashPix file to an application with the optional olefile dependency installed that
    opens or thumbnails untrusted input. This can corrupt heap memory and may allow arbitrary code execution.
    This issue is fixed in version 13.0.0. (CVE-2026-112398)

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - Pillow 是一個 Python 映像庫。在之前 13.0.0，Pillow 的 FlashPix JPEG 圖塊解碼器可以寫入超出分配的圖塊緩衝區的解碼掃描線。FlashPix （FPX） JPEG 解碼會選擇每個像素有兩個位元組的原始模式 LA，而無法識別的 JPEG 模式可以解碼為具有四個元件的JCS_UNKNOWN，導致 ImagingJpegDecode 將四個元件掃描線寫入兩個位元組的平鋪緩衝區。攻擊者可以將特製的 OLE2 FlashPix 檔案提供給已安裝可選 olefile 相依性的應用程式，以開啟或縮圖不受信任的輸入。這可能會損毀堆積記憶體，並可能允許任意程式碼執行。
    13.0.0 版已修正此問題。(CVE-2026-112398)

請注意，Nessus 依賴供應商報告的套件存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - Pillow 是 Python 图像库。在之前的版本 13.0.0之前，Pillow 的 FlashPix JPEG 平铺解码器可在分配的平铺缓冲区之外写入解码的扫描线。FlashPix （FPX） JPEG 解码选择每个像素有两个字节的原始模式 LA，而无法识别的 JPEG 模式可解码为具有四个分量的JCS_UNKNOWN，从而导致 ImagingJpegDecode 将四个分量扫描线写入双字节平铺缓冲区。攻击者可将构建的 OLE2 FlashPix 文件提供给安装了可选 olefile 依赖项的应用程序，该选项会打开或缩略不受信任的输入。这可损坏堆内存，并可能允许任意代码执行。
    此问题已在 13.0.0 版本中修复。(CVE-2026-112398)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - Pillow は Python イメージングライブラリです。13.0.0より前では、Pillow の FlashPix JPEG タイルデコーダーは、割り当てられたタイルバッファを超えてデコードされたスキャンラインを書き込むことができます。FlashPix(FPX)の JPEG デコーディングは、ピクセルあたり 2 バイトの raw モードの LA を選択します。一方、認識されない JPEG モードは 4 つのコンポーネントでJCS_UNKNOWNとしてデコードできます。これにより、ImagingJpegDecode は 4 つのコンポーネントのスキャンラインを 2 バイトのタイルバッファに書き込むことができます。攻撃者は、細工された OLE2 FlashPix ファイルを、信頼できない入力を開くかサムネイル化するオプションの olefile 依存関係がインストールされているアプリケーションに供給する可能性があります。これにより、ヒープメモリが破損し、任意のコードが実行される可能性があります。
    この問題はバージョン 13.0.0 で修正されています。(CVE-2026-112398)

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:1206 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2026-112405:
    A flaw was found in Pillow. A remote attacker can cause a Denial of Service (DoS) by supplying a specially     crafted image file to an application that processes images with the library. This issue occurs because the     Image.merge() function fails to properly validate the first input band, allowing mismatched image storage     formats to trigger a null pointer dereference. Consequently, processing the malformed image causes the     native application process to crash.

    CVE-2026-112398:
    Pillow is a Python imaging library. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded     scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two     bytes per pixel, while an unrecognized JPEG mode can be decoded as JCS_UNKNOWN with four components,     causing ImagingJpegDecode to write four-component scanlines into the two-byte tile buffer. An attacker can     supply a crafted OLE2 FlashPix file to an application with the optional olefile dependency installed that     opens or thumbnails untrusted input. This can corrupt heap memory and may allow arbitrary code execution.
    This issue is fixed in version 13.0.0.

    CVE-2026-112393:
    Pillow is a Python imaging library. From 2.0.0 until 13.0.0, Pillow has a heap buffer overflow and stale-     heap disclosure in _tiffWriteProc when saving compressed TIFF data through libtiff to a target without a     usable fileno(), such as BytesIO. The callback sizes its allocation from the prior buffer size instead of     the current write position, allowing an attacker-controlled out-of-line TIFF tag or retained ICC profile     to be copied beyond the allocation after libtiff seeks forward. This overflow can crash the process and     may allow code execution. Independently, unwritten alignment gaps in compressed TIFF output larger than 64     KiB can disclose stale heap bytes without a crafted tag. File paths and targets with real file descriptors     are unaffected. This issue is fixed in version 13.0.0.

Tenable has extracted the preceding description block directly from the Tencent Linux 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.

  - Pillow is a Python imaging library. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded     scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two     bytes per pixel, while an unrecognized JPEG mode can be decoded as JCS_UNKNOWN with four components,     causing ImagingJpegDecode to write four-component scanlines into the two-byte tile buffer. An attacker can     supply a crafted OLE2 FlashPix file to an application with the optional olefile dependency installed that     opens or thumbnails untrusted input. This can corrupt heap memory and may allow arbitrary code execution.
    This issue is fixed in version 13.0.0. (CVE-2026-112398)

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

ID	Name	Product	Family	Published	Updated	Severity
477230	SCA: security update for pillow (GHSA-5x8w-8jj5-q52h)	Tenable Self-Hosted Container Security	SCA Checks	10/24/2026	10/28/2026	critical
477481	Chainguard: nemo-skills: security update to 0.7.0_git20260911-r5	Tenable Cloud Security	Chainguard Local Security Checks	10/26/2026	10/28/2026	critical
477230	SCA: security update for pillow (GHSA-5x8w-8jj5-q52h)	Tenable Cloud Security	SCA Checks	10/24/2026	10/28/2026	critical
477481	Chainguard: nemo-skills: security update to 0.7.0_git20260911-r5	Tenable Self-Hosted Container Security	Chainguard Local Security Checks	10/26/2026	10/28/2026	critical
367838	Linux Distros 未修補弱點：CVE-2026-112398	Nessus	Misc.	10/20/2026	10/28/2026	critical
367838	Linux Distros 未修补的漏洞：CVE-2026-112398	Nessus	Misc.	10/20/2026	10/28/2026	critical
367838	Linux Distros のパッチ未適用の脆弱性: CVE-2026-112398	Nessus	Misc.	10/20/2026	10/28/2026	critical
373423	TencentOS Server 4: python-pillow (TSSA-2026:1206)	Nessus	Tencent Local Security Checks	10/28/2026	10/28/2026	critical
367838	Linux Distros Unpatched Vulnerability : CVE-2026-112398	Nessus	Misc.	10/20/2026	10/28/2026	critical

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