CVE-2024-4367-PoC

CVE-2024-4367 & CVE-2024-34342: Ejecución arbitraria de JavaScript en PDF.js Faltaba una verificación de tipo al manejar fuentes en PDF.js, lo que permitiría la ejecución arbitraria de JavaScript en el contexto de PDF.js. Esta vulnerabilidad afecta a Firefox 126, Firefox ESR 115.11 y Thunderbird...

Astra Linux – Vulnerability in Firefox and Thunderbird

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution within the PDF.js context. This vulnerability affects Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11...

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...

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...

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...

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...

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...

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...

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...

SUSE-SU-2026:3338-1 Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues: - CVE-2024-4367: missing type check when handling fonts in PDF.js can allow arbitrary JavaScript execution bsc1271638. - CVE-2026-39872: maliciously crafted web content can lead to an unexpected process crash bsc1271638. - CVE-2026-43663:...

PT-2026-63998

Name of the Vulnerable Software and Affected Versions Bold Reports Standalone Report Designer versions 6.3 through 14.1.11 Description A missing filepath validation in the font processing feature of the DataHub module allows unauthenticated attackers to read arbitrary files from the server...

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...

USN-8562-1: FreeType vulnerability

It was discovered that FreeType incorrectly handled certain variable font files. An attacker could possibly use this issue to cause FreeType to crash, resulting in a denial of service, or obtain sensitive information...

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

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CVE-2026-55999 xorg-server / xwayland glamor font atlas Heap Buffer Overflow

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...

SUSE-SU-2026:2786-1 Security update for xorg-x11-server

This update for xorg-x11-server fixes the following issues - CVE-2026-55999: missing bounds check in glamorfontget can lead to a heap buffer overflow when a font loaded from a malicious PCF file is processed bsc1268893. - CVE-2026-56000: improper memory management in CommonMakeCurrent can lead to...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Pillow vulnerabilities (USN-8399-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8399-1 advisory. It was discovered that Pillow incorrectly handled large glyph advance values in fonts. An attacker could possibly use thi...

Adobe Acrobat Reader DC Font Handling Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handli...

Siemens Teamcenter PDF.js Arbitrary Code Execution (SSA-827383)

The version of Siemens Teamcenter installed on the remote host is affected by a vulnerability: - A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. CVE-2024-4367 Note that Nessus has not tested for this issue but has...

CVE-2026-42308

Pillow is a Python imaging library. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. This issue has been patched in version 12.2.0...