USN-8399-1 pillow vulnerabilities

It was discovered that Pillow incorrectly handled large glyph advance values in fonts. An attacker could possibly use this issue to cause Pillow to crash, resulting in a denial of service. CVE-2026-42308 It was discovered that Pillow incorrectly handled nested coordinate lists in certain APIs. An...

Important: xorg-x11-server-Xwayland

Issue Overview: A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but...

Important: xorg-x11-server

Issue Overview: A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but...

Important: xorg-x11-server

Issue Overview: A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but...

Amazon Linux 2023 : xorg-x11-server-Xwayland, xorg-x11-server-Xwayland-devel (ALAS2023-2026-1789)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1789 advisory. A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer...

Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2026-1790)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1790 advisory. A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer...

Amazon Linux 2 : xorg-x11-server, --advisory ALAS2-2026-3336 (ALAS-2026-3336)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3336 advisory. A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer...

SUSE CVE-2026-50256

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

RHEL 10 : java-21-ibm-semeru-certified-jdk (RHSA-2026:22328)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:22328 advisory. The IBM Semeru Runtime Certified Edition 21 runtime environment. Security Fixes: freetype: Information disclosure or denial of service via...

CVE-2026-3574

The Experto Dashboard for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's settings fields including 'Navigation Font Size', 'Navigation Font Weight', 'Heading Font Size', 'Heading Font Weight', 'Text Font Size', and 'Text Font Weight' in all versions...

CVE-2026-49044

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Justin Kruit Advanced Custom Fields: Font Awesome Field allows Stored XSS. This issue affects Advanced Custom Fields: Font Awesome Field: from n/a through 5.0.2...

CVE-2026-45551

Group-Office is an enterprise customer relationship management and groupware tool. Prior to 26.0.25, 25.0.100, and 6.8.165, GroupOffice allows authenticated users to persist arbitrary legacy settings for any userid via index.php?r=core/saveSetting. A separate client-side sink in the email module...

CVE-2026-6415

The Advanced Custom Fields: Font Awesome plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.0.2. This is due to insufficient input validation of JSON field values and unsafe client-side HTML construction in the updatepreview JavaScript function. Th...

CVE-2026-8610

The TypeSquare Webfonts for ConoHa plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.0.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with...

CVE-2026-40596

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.11.0 through 2.28.1 allow any authenticated user to inject arbitrary HTML by updating their account's font family. Upon exploitation, an XSS payload would be reflected on every MantisBT page. Leveraging another vulnerability...

AZL-89522 CVE-2026-50256 affecting package xorg-x11-server 1.20.10-6

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

CVE-2026-50256

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

AZL-89571 CVE-2026-50256 affecting package xorg-x11-server-Xwayland for versions less than 24.1.12-1

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

UBUNTU-CVE-2026-50256

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

CVE-2026-50256

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...