CVE-2026-6040

A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed...

CVE-2026-6040: Use After Free

A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the document was not checked against the length of the format-code string, so a malformed number format could be processed against memory outside that string. In fixed...

GHSA-248M-82V9-Q6G6 pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with /W 0 0 0 values and large /Size values. Patches This has been fixed in pypdf==6.12.0. Workarounds If developers are unable to upgrade their apps immediately, the...

pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with /W 0 0 0 values and large /Size values. Patches This has been fixed in pypdf==6.12.0. Workarounds If developers are unable to upgrade their apps immediately, the...

Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS : Qt Declarative vulnerability (USN-8357-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8357-1 advisory. It was discovered that Qt Declarative did not properly validate the width and height attributes of image tags in the Text component of Qt...

The vulnerability of Contrib’s Syntax Markdown extension for the XWiki Platform, which is used to create collaborative web applications. The XWiki Platform allows attackers to perform cross-site scripting attacks.

The vulnerability in Contrib’s Syntax Markdown extension for the XWiki Platform lies in the lack of protection for the structure of web pages when processing the width parameter. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks remotely...

MINI-PPWM-GP46-RXV7

Bulletin has no description...

CVE-2026-44899

A flaw was found in Mistune, a Python Markdown parser. The Image directive plugin, responsible for handling image dimensions, improperly validates user-supplied input for width and height options. This allows a remote attacker to inject arbitrary CSS into style attributes, potentially leading to...

CVE-2026-8454

Imager::File::GIF versions through 1.002 for Perl allow a heap out of bounds OOB write on crafted multi-frame GIF files. Imager::File::GIF's ireadgifmultilow allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file. The...

CVE-2026-8669

Imager versions through 1.030 for Perl allow a heap out of bounds OOB write on crafted multi-frame GIF files. Imager::File::GIF's ireadgifmultilow allocates a single per-row buffer GifRow sized for the GIF's global screen width 'SWidth' and reuses it across every image in the file. The page-match...

CVE-2026-6246

The Simple Random Posts Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'containerrightwidth' attribute of the 'simplerandomposts' shortcode in all versions up to, and including, 0.3 due to insufficient input sanitization and output escaping on user supplied...

CVE-2026-8885

The DeMomentSomTres Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'callout' shortcode in all versions up to, and including, 1.1.1. This is due to insufficient input sanitization and output escaping on the 'width' and 'align' shortcode attributes...

CVE-2026-8698

The Cryptocurrency Prijsvergelijking Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting in version 1.0. This is due to insufficient output escaping in the asgetcoinshortcode function, which renders the 'width' and 'height' shortcode attribute directly into the style attribut...

CVE-2026-8899

The Auto Thumbnail plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'thumbnails' shortcode in all versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping on the shortcode's 'width' and 'height' attributes in the athnthumbnail...

OESA-2026-2564 libvncserver security update

libvncserver is a set of programs using the RFB Remote Frame Buffer protocol. They are designed to "export" a frame buffer via net: you set up a server and can connect to it via VNC viewers. If the server supports WebSockets which LibVNCServer does, you can also connect using an in-browser VNC...

CVE-2026-50259 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb setmap request via mapwidths indexing

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. XkbSetMapChecks declares a fixed-size stack buffer mapWidths256 indexed by key type index. The helper function CheckKeyTypes writes to this buffer at a client-controlled offset, allowing a stack buffer overflow. This...

SUSE-SU-2026:2227-1 Security update for LibVNCServer

This update for LibVNCServer fixes the following issues: - CVE-2026-44988: Fixed missing validation of rectangle width in tight gradient decoding can lead to server-triggered out-of-bounds write bsc1266459...

CVE-2026-8885

The DeMomentSomTres Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'callout' shortcode in all versions up to, and including, 1.1.1. This is due to insufficient input sanitization and output escaping on the 'width' and 'align' shortcode attributes...

EUVD-2026-33893

The DeMomentSomTres Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'callout' shortcode in all versions up to, and including, 1.1.1. This is due to insufficient input sanitization and output escaping on the 'width' and 'align' shortcode attributes...

CVE-2026-8885 DeMomentSomTres Shortcodes <= 1.1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The DeMomentSomTres Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'callout' shortcode in all versions up to, and including, 1.1.1. This is due to insufficient input sanitization and output escaping on the 'width' and 'align' shortcode attributes...