CVE-2026-4054

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-4054

Mattermost disclosure CVE-2026-4054 affects Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, and 11.4.x

CVE-2026-4054

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-4054 SVG content served through Mattermost image proxy despite Content-Type restrictions causes client-side denial of service

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-4054 SVG content served through Mattermost image proxy despite Content-Type restrictions causes client-side denial of service

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-42217

A flaw was found in OpenEXR. A remote attacker could exploit this vulnerability by providing a specially crafted EXR image file. The readVariableLengthInteger function, responsible for decoding variable-length integers, does not properly bound the shift count. This can lead to undefined behavior,...

CVE-2026-43908

A flaw was found in OpenImageIO. A signed 32-bit integer overflow in the ConvertCbYCrYToRGB function can lead to an out-of-bounds write. A remote attacker could exploit this by convincing a user to process a specially crafted image file, resulting in a denial of service DoS due to a process crash...

CVE-2026-43907

A flaw was found in OpenImageIO. A remote attacker can exploit a signed integer overflow vulnerability by providing a specially crafted DPX image file. This flaw leads to a heap-based out-of-bounds write, which can result in a denial of service crash or potentially arbitrary code execution in...

CVE-2026-43903

A flaw was found in OpenImageIO. A remote attacker could exploit this vulnerability by providing a specially crafted .sgi image file. This file, with a Run-Length Encoding RLE count exceeding the scanline width, can cause a heap buffer overflow. Successful exploitation leads to a denial of servic...

CVE-2026-46333

CVE-2026-46333 concerns a logic bug in the Linux kernel’s ptrace access check (__ptrace_may_access). When a thread lacks an MM pointer, ptrace_may_access uses a cached “last dumpable” flag, which can be bypassed by CAP_SYS_PTRACE to override. This can enable local privilege escalation or informat...

CVE-2026-41648

A flaw was found in Incus. An authenticated user could provide a specially crafted image or backup tarball. When parsed, these files would load excessively large YAML documents into memory due to a lack of size restrictions. This could lead to a denial of service DoS by consuming all available...

CVE-2026-44637

A flaw was found in libsixel, a SIXEL encoder/decoder implementation. A remote attacker, by providing specially crafted SIXEL data, can trigger a signed integer overflow in the SIXEL parser's image-buffer doubling loop. This overflow can bypass size checks and lead to an out-of-bounds heap write...

SUSE-SU-2026:21796-1 Security update for openexr

This update for openexr fixes the following issues - CVE-2026-41142: integer overflow in ImageChannel: resize can lead to a heap out-of-bounds write via OpenEXRUtil public API bsc1264356. - CVE-2026-42216: missing checks in IDManifest: init can lead to out-of-bounds read during prefix expansion...

EUVD-2026-30520

The Notify Odoo plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.1. This is due to missing or incorrect nonce validation on the updateSettings function. This makes it possible for unauthenticated attackers to change the Notify Odoo URL to ...

PT-2026-41299

Name of the Vulnerable Software and Affected Versions Imager versions prior to 1.031 Description Imager for Perl allows a heap out of bounds OOB write—a memory corruption where data is written outside the boundaries of an allocated heap buffer—when processing crafted multi-frame GIF files. The i...

[20260707] - Core - XSS in the generic image output layout

Lack of escaping leads to an XSS vulnerability in the generic image output layout...

Mattermost 代码问题漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost such as 11.5.1 and earlier, 10.11.13 and earlier, as well as 11.4.3 and earlier, have code vulnerabilities. These vulnerabilities stem from unvalidated proxy image response...

Linux Distros Unpatched Vulnerability : CVE-2026-44637

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libsixel is a SIXEL encoder/decoder implementation derived from kmiya's sixel. From to 1.8.7-r1, a signed integer overflow in the SIXEL parser's image-buffer...

Open WebUI 代码问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.5.11 have code vulnerabilities. These vulnerabilities stem from the PDF export feature, where user input is interpreted as HTML and embedded in PDFs. Additionally,...

Open WebUI 跨站脚本漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.8.0 had a cross-site scripting vulnerability. This vulnerability stemmed from the profileimageurl field in the user profile update form accepting arbitrary data: URI...