CVE-2026-5755

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.2, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the TIFF IFD offset in the image header before allocating memory, which allows authenticated users with file upload or posting permissions to cause a denial of service serve...

7-Zip 缓冲区错误漏洞

7-Zip is an open-source compression software developed by 7-Zip. Versions 9.34 to 26.00 of 7-Zip contain a buffer error vulnerability. This vulnerability stems from improper handling of WIM archive processors’ security descriptor lookups, leading to out-of-bounds read attacks, which may result in...

Fedora 44 : mingw-objfw (2026-59c21cd48b)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-59c21cd48b advisory. Update to 1.5.4. Fixes a buffer overflow caused by integer promotion rules in OFBMPImageFormatHandler and OFQOIImageFormatHandler. ---- Update to 1.5.3 Tenab...

Fedora 43 : objfw (2026-dd875b58bb)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-dd875b58bb advisory. Update to 1.5.4. Fixes a buffer overflow caused by integer promotion rules in OFBMPImageFormatHandler and OFQOIImageFormatHandler. ---- Update to 1.5.3 Tenab...

Fedora 43 : mingw-objfw (2026-67762cee82)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-67762cee82 advisory. Update to 1.5.4. Fixes a buffer overflow caused by integer promotion rules in OFBMPImageFormatHandler and OFQOIImageFormatHandler. ---- Update to 1.5.3 Tenab...

Fedora 44 : objfw (2026-f9938a84c7)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-f9938a84c7 advisory. Update to 1.5.4. Fixes a buffer overflow caused by integer promotion rules in OFBMPImageFormatHandler and OFQOIImageFormatHandler. ---- Update to 1.5.3 Tenab...

CVE-2026-46599 Excessive resource consumption in PackBits decompression in golang.org/x/image/tiff

The TIFF decoder does not place a limit on the size of PackBits-compressed data. A maliciously-crafted image can exploit this to cause a small image both in terms of pixel width/height and encoded size to make the decoder decode large amounts of compressed data...

ImageMagick security vulnerabilities

ImageMagick is a set of open-source image processing software developed by the ImageMagick project. It can read, convert, and write images in various formats. ImageMagick has security vulnerabilities; these vulnerabilities stem from infinite loops in the MIFF decoder, which can lead to CPU...

RLSA-2026:19363 Important: libtiff security update

The libtiff packages contain a library of functions for manipulating Tagged Image File Format TIFF files. Security Fixes: libtiff: libtiff: Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing CVE-2026-4775 For more details about the security issues,...

[SECURITY] Fedora 43 Update: rust-eif_build-0.2.1-7.fc43

This CLI tool provides a low level path to assemble an enclave image format EIF file used in AWS Nitro Enclaves...

[SECURITY] Fedora 44 Update: rust-eif_build-0.2.1-7.fc44

This CLI tool provides a low level path to assemble an enclave image format EIF file used in AWS Nitro Enclaves...

libtiff: libtiff: Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing

A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations,...

RHEL 9 : gimp (RHSA-2026:20691)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:20691 advisory. The GIMP GNU Image Manipulation Program is an image composition and editing program. GIMP provides a large image manipulation toolbox,...

CVE-2026-41071

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, a crafted HEIF sequence file where the saiz box declares more samples than actually exist in the track's chunk table causes a heap-buffer-overflow out-of-bounds read in the SampleAuxInfoReader constructor. T...

CVE-2026-5755 Denial of service via crafted TIFF file upload

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.2, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate the TIFF IFD offset in the image header before allocating memory, which allows authenticated users with file upload or posting permissions to cause a denial of service serve...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: gd (UTSA-2026-016717)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016717 advisory. gdImageGd2Ptr in gdgd2.c in the GD Graphics Library aka LibGD through 2.3.2 has a double free. NOTE: the vendor's position is The GD2 image format is a proprietary...

RHEL 9 : libtiff (RHSA-2026:19585)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:19585 advisory. The libtiff packages contain a library of functions for manipulating Tagged Image File Format TIFF files. Security Fixes: libtiff: libtiff: Arbitrar...

CVE-2026-32741

A flaw was found in libheif, a library for decoding and encoding HEIF High Efficiency Image File Format and AVIF files. A remote attacker could exploit a heap buffer overflow vulnerability in the MaskImageCodec::decodemaskimage function by providing a specially crafted HEIF file containing a mask...

CVE-2026-32814 libheif: Uninitialized Heap Memory Information Leak via Failed Grid Tiles

libheif is a HEIF and AVIF file format decoder and encoder. In versions 1.21.2 and prior, when decoding a HEIF grid image with strictdecoding=false the default, a corrupted tile silently fails to decode and the library returns heiferrorOk with no indication of failure, leading to an uninitialized...

ALSA-2026:19362 Important: gimp security update

The GIMP GNU Image Manipulation Program is an image composition and editing program. GIMP provides a large image manipulation toolbox, including channel operations and layers, effects, sub-pixel imaging and anti-aliasing, and conversions, all with multi-level undo. Security Fixes: gimp: GIMP:Memo...