CVE-2026-5755

CVE-2026-5755 affects Mattermost releases 11.6.x up to 11.6.0, 11.5.x up to 11.5.2/11.5.3, 11.4.x up to 11.4.4, and 10.11.x up to 10.11.14. The issue arises from failure to validate the TIFF IFD offset in the image header before memory allocation, allowing authenticated users with file upload or ...

RockyLinux 9 : libtiff (RLSA-2025:20801)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:20801 advisory. libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM CVE-2023-52355 libtiff: Segment fault in libtiff in TIFFReadRGBATileExt leadi...

libtiff security update

An update is available for libtiff. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libtiff packages contain a library of functions for manipulating Tagged...

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,...

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,...

Important: Red Hat Security Advisory: libtiff security update

An update for libtiff is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

Important: Red Hat Security Advisory: libtiff security update

An update for libtiff is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

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,...

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,...

Astra Linux – Vulnerability in Tiff

A heap-based buffer overflow flaw was discovered in libtiff, particularly in the handling of TIFF images using libtiff’s TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The greatest threat posed by this vulnerability relates to confidentiality, integrity, and...

Astra Linux – Vulnerability in Tiff

An integer overflow flaw was discovered in libtiff, which resides in the tifgetimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The greatest threat posed by this vulnerability relates to confidentiality, integrity, and system...

Astra Linux – Vulnerability in Tiff

The "Divide By Zero" error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, the fix is available in the commit f3a5e010...

Astra Linux – Vulnerability in Tiff

The "Divide By Zero" error in tiffcrop in libtiff 4.4.0 allows attackers to cause a denial-of-service attack through a crafted TIF file. For users who compile libtiff from source code, the fix is available in the commit f3a5e010...

Astra Linux – Vulnerability in TIF format

A vulnerability was discovered in the TIFFReadDirectory function of libtiff before version 4.4.0, which allows attackers to cause a denial of service through a crafted TIFF file...

Astra Linux – Vulnerability in Tiff

LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service application crash or potentially execute arbitrary code through a crafted TIFF image, which triggers a heap-based buffer overflow...

Astra Linux – Vulnerability in Tiff

A null pointer dereference flaw was detected in Libtiff through the tifdirinfo.c file. This issue may allow an attacker to trigger memory allocation failures through certain methods, such as restricting the heap space size or injecting faults, resulting in a segmentation fault. This can cause the...

Astra Linux – Vulnerability in TIF format

A vulnerability has been discovered in LibTIFF. It has been classified as critical. This vulnerability affects the TIFFReadRGBATileExt function in the file libtiff/tifgetimage.c. Manipulation of this function can lead to integer overflow. The attack can be initiated remotely. The exploit has been...

Astra Linux – Vulnerability in jbigkit

In LibTIFF 4.0.8, there is a memory allocation failure in the tifjbig.c file. A specially crafted TIFF document can cause an abort, leading to a remote denial-of-service attack...

Astra Linux – Vulnerability in openimageio

There is a vulnerability related to out-of-bounds reading in the way OpenImageIO version v2.3.19.0 processes string fields in TIFF image files. A specially crafted TIFF file can lead to information disclosure. An attacker can provide a malicious file to exploit this vulnerability...

Astra Linux – Vulnerability in exiv2

There is a vulnerability in the SEGV method in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of the tiffimageint.cpp file, within Exiv2 0.27-RC3. A crafted input can lead to a remote denial-of-service attack...