CVE-2026-55497 Cloudreve: Server crash through image decompression/pixel bomb in thumbnail & avatar decoding (DoS)

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the built-in thumbnail and avatar image decoders limit compressed file size but do not limit decoded pixel dimensions, allowing an authenticated user to submit a small PNG, JPEG, or GIF that triggers an unbounded...

CVE-2026-55497

Summary (CVE-2026-55497): Cloudreve before 4.17.0 is vulnerable to an unbounded memory allocation during image decoding. The built‑in thumbnail and avatar decoders only cap the compressed file size; they do not limit decoded pixel dimensions for PNG/JPEG/GIF, enabling an authenticated user to sub...

Cloudreve: Denial of Service - Image decompression / pixel bomb in thumbnail & avatar decoding crashes the server

Summary Cloudreve's built-in image processor decodes user-supplied images with Go's standard-library decoders image/png, image/jpeg, image/gif and guards only the compressed file size — never the decoded pixel dimensions. Go's decoders allocate a pixel buffer sized bytesPerPixel × width × height...

EUVD-2026-48614

Image::WebP versions through 0.2 for Perl bundle a vulnerable version of libwebp. Image::WebP does not link to the system libwebp. Instead, it uses a bundled copy of libwebp 0.3.0 released 2013-03-20. That version has multiple known vulnerabilities, including CVE-2023-4863. Any caller that decode...

PT-2026-64433

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.17.0 Description Cloudreve contains an issue where the built-in image decoders for PNG, JPEG, and GIF formats limit only the compressed file size but do not restrict the decoded pixel dimensions. An authenticated...

CVE-2026-52584

Buffer Overflow vulnerability in libjxl v.0.11.2 and before allows a local attacker to obtain sensitive information via the DecodeImageAPNG function...

Unchecked Return Value

Overview Magick.NET-Q8-x86 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...

Unchecked Return Value

Overview Magick.NET-Q8-OpenMP-x64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package ar...

Missing Release of Memory after Effective Lifetime

Overview Magick.NET-Q16-arm64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...

PYSEC-2026-3085 Use after free in `DecodePng` kernel

Impact A malicious user can cause a use after free behavior when decoding PNG images: cc if / ... error conditions ... / png::CommonFreeDecode&decode; OPREQUIREScontext, false, errors::InvalidArgument"PNG size too large for int: ", decode.width, " by ", decode.height; After...

PYSEC-2026-2807 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

In modules/imgcodecs/src/grfmtpxm.cpp, the length of buffer AutoBuffer src is small than expected, which will cause copy buffer overflow later. If the image is from remote, may lead to remote code execution or denial of service. This affects OpenCV 3.3 corresponding to OpenCV-Python 3.3.0.9 and...

PYSEC-2026-2809 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the...

GHSA-5PMV-RX8R-WMV5 jxl-grid on 32-bit platforms has an out-of-bounds writes due to integer overflow

Summary On 32-bit platforms, decoding a crafted image may lead to out-of-bounds writes due to integer overflow in length calculation. Details & PoC The test listed below fail under miri with command cargo +nightly miri test --release -p jxl-grid Or you can use Address Sanitizer, which ignores...

Use of Uninitialized Resource

Overview Magick.NET-Q8-arm64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package are...

Pillow: Pillow: Denial of Service via decompression bomb in FITS image processing

A flaw was found in Pillow, a Python imaging library. This vulnerability allows a remote attacker to trigger a denial of service DoS by providing a specially crafted FITS image file. The library's failure to limit the amount of GZIP-compressed data during decoding can lead to unbounded memory...

DEBIAN-CVE-2026-46604

The TIFF decoder can panic when decoding an invalid image with an out-of-bounds strip offset...

Security update for libheif

This update for libheif fixes the following issues Update to 1.23.0: CVE-2025-68431: heap buffer over-read in HeifPixelImage: overlay via crafted HEIF that exercises the overlay image item bsc1255735. CVE-2026-3950: manipulation of the component stsz/stts can lead to out-of-bounds read bsc1259544...

CVE-2026-46523

CVE-2026-46523 is a use-after-free in ImageMagick’s MSL image handling. A crafted MSL image can trigger a heap-use-after-free, affecting versions prior to 7.1.2.23 and 6.9.13-48. The issue is fixed in 7.1.2.23 and 6.9.13-48. If you rely on ImageMagick, upgrade to one of the fixed releases to reme...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload through the image decoding process. An attacker can cause the server process to crash by uploading a specially crafted TIFF file that triggers excessive memory allocation. Remediation Upgrade...

Amazon Linux 2023 : heif-pixbuf-loader, libheif, libheif-devel (ALAS2023-2026-1814)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1814 advisory. libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and prior contain a heap- buffer-overflow write vulnerability in the grid tile compositing, allowing an attacker to...