Dompdf: File existence oracle via font-face stylesheet declaration

Description Dompdf is vulnerable to a File Existence Oracle attack through the manipulation of the CSS @font-face directive. By providing malicious HTML that references local files via the file:// protocol repeatedly, an attacker can trigger PHP memory exhaustion. The critical point of this flaw ...

GHSA-7X2P-4JVH-6384 Dompdf: File existence oracle via font-face stylesheet declaration

Description Dompdf is vulnerable to a File Existence Oracle attack through the manipulation of the CSS @font-face directive. By providing malicious HTML that references local files via the file:// protocol repeatedly, an attacker can trigger PHP memory exhaustion. The critical point of this flaw ...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure in the processing of CSS @font-face directives referencing local files via the file:// protocol. An attacker can determine the existence of sensitive files on the server by submitting crafted HTML and analyzing the...

ROS-20260722-73-0029

The vulnerability of the Font component in Google Chrome and Microsoft Edge relates to reading data beyond the permitted range in memory. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

Amazon Linux 2 : xorg-x11-server, --advisory ALAS2-2026-3806 (ALAS-2026-3806)

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3806 advisory. glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the tested product security advisory. Note that Nessus has not tested for this iss...

Amazon Linux 2 : libXfont, --advisory ALAS2-2026-3815 (ALAS-2026-3815)

The version of libXfont installed on the remote host is prior to 1.5.4-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3815 advisory. BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow...

Amazon Linux 2 : libXfont2, --advisory ALAS2-2026-3814 (ALAS-2026-3814)

The version of libXfont2 installed on the remote host is prior to 2.0.3-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3814 advisory. BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow...

EUVD-2026-41902

Pillow BdfFontFile: Image.new called without decompressionbombcheck — bomb protection bypass via font loading...

EUVD-2026-41900

Pillow: FontFile.compile: Image.new called without decompressionbombcheck...

Mozilla: Arbitrary JavaScript execution in PDF.js

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as follows: A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context...

CVE-2026-53402

A flaw was found in the Linux kernel's framebuffer console fbcon component. When the fbcondosetfont function fails, the system's error handling does not correctly restore the font state, leading to a desynchronized terminal. A local user can exploit this by providing character indices that cause ...

USN-8560-1: libXfont vulnerabilities

It was discovered that libXfont incorrectly handled scaling bitmap fonts, leading to a heap buffer overflow. An attacker able to access the X server could use this issue to cause libXfont to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2026-56001 It was...

Important: libXfont2

Issue Overview: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow CVE-2026-56002 computeProps Property Buffer Heap Buffer Overflow CVE-2026-56003 Affected Packages: libXfont2 Issue Correction: Run dnf update libXfont2 --releasever...

Important: xorg-x11-server

Issue Overview: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Affected Packages: xorg-x11-server Issue Correction: Run dnf update xorg-x11-server --releasever 2023.12.20260720 or dnf update --advisory ALAS2023-2026-1943 --releasever 2023.12.20260720 to update your system. More information...

MiracleLinux 8 : xorg-x11-server-Xwayland-21.1.3-20.el8_10.3 (AXSA:2026-1277:06)

The remote MiracleLinux 8 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2026-1277:06 advisory. xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the...

Amazon Linux 2023 : xorg-x11-server-common, xorg-x11-server-devel, xorg-x11-server-source (ALAS2023-2026-1943)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1943 advisory. glamor Font Atlas Heap Buffer Overflow CVE-2026-55999 Tenable has extracted the preceding description block directly from the tested product security advisory. Note that Nessus has not tested for this...

SUSE CVE-2026-53402

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in errout of fbcondosetfont When fbcondosetfont fails e.g., due to a memory allocation failure inside vcresize under heavy memory pressure, it jumps to the errout label to roll back the consol...

CVE-2026-53402

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in errout of fbcondosetfont When fbcondosetfont fails e.g., due to a memory allocation failure inside vcresize under heavy memory pressure, it jumps to the errout label to roll back the consol...

EUVD-2026-45457

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in errout of fbcondosetfont When fbcondosetfont fails e.g., due to a memory allocation failure inside vcresize under heavy memory pressure, it jumps to the errout label to roll back the consol...

CVE-2026-53402 fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in errout of fbcondosetfont When fbcondosetfont fails e.g., due to a memory allocation failure inside vcresize under heavy memory pressure, it jumps to the errout label to roll back the consol...