dompdf-rce

dompdf 的 RCE 漏洞利用 本仓库包含一个使用 dompdf 1.2.0 的易受攻击的演示应用程序，以及一个通过 ttf+php 多语言文件实现远程代码执行的漏洞利用。 更多详情，请访问 https://positive.security/blog/dompdf-rce 使用说明 1. 运行演示应用程序 $ cd application $ php -S localhost:9000 2. 运行漏洞利用服务器 $ cd exploit $ php -S localhost:9001 3. 触发漏洞利用...

BrokenType

BrokenType BrokenType 是一套用于测试字体光栅化软件鲁棒性和安全性的工具集，尤其针对容易出现内存损坏问题的代码库（例如基于 C/C++ 及其类似语言编写的）。它包含以下组件： TrueType 程序生成器 - 一个 Python 脚本，用于生成随机但有效的 TrueType 程序。 TTF/OTF 变异器 - 一个用 C++ 编写的半“智能”二进制字体文件变异器。 Windows GDI 的 TTF/OTF 加载器 - 一个用于通过 Windows GDI/Uniscribe 加载和测试自定义字体的实用工具。 DirectWrite 的 TTF/OTF 加载器 -...

GHSA-G9CG-PRRW-2R8Q pypdf: Possible large memory usage when parsing font data

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the /Widths entry of a TrueType or Type1 fonts with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.18.1. Workarounds I...

pypdf: Possible large memory usage when parsing font data

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the /Widths entry of a TrueType or Type1 fonts with unusually large values, for example during text extraction. Patches This has been fixed in pypdf==6.18.1. Workarounds I...

CVE-2023-21716

CVE-2023-21716 POC : CVE-2023-21716 Microsoft Word RTF 字体表堆损坏...

CVE-2025-63708

CVE-2025-63708 CVE ID: CVE-2025-63708 分配日期: 2025-12-11 问题类型: CWE-79（跨站脚本） 受影响产品: “AI Font Matcher”（发布于2025-10-10，nid=18425） 产品页面: https://www.sourcecodester.com/javascript/18425/ai-font-matcher-using-html-css-and-javascript-source-code.html 发现日期: 2025-10-11 研究人员: Dylan Davis 概要 该应用程序在处理来自 webfont...

CVE-2022-26927

CVE-2022-26927 一个附带分析文档的概念验证字体。 我明天将开始处理这项工作。很抱歉，我对 ExFreePoolWithTag 的研究还不够深入。我保证很快就会着手研究它！...

nexts-cve-2025-66478-exploit

这是一个使用 create-next-app 引导的 Next.js 项目。 快速开始 首先，运行开发服务器： npm run dev or yarn dev or pnpm dev or bun dev 在浏览器中打开 http://localhost:3000 查看结果。 你可以通过修改 app/page.tsx 来编辑页面。当你编辑文件时，页面会自动更新。 该项目使用 next/font 自动优化和加载 Geist，这是 Vercel 的一个新字体家族。 了解更多 要了解更多关于 Next.js 的信息，请查看以下资源： Next.js 文档 - 了解 Next.js 特性和...

CVE-2025-27363-proof-of-concept

Prueba de concepto para CVE-2025-27363 que hace fallar FreeType 2.13.0. Esta modifica Roboto Flex, una fuente variable, de modo que el carácter "%" glifo 8 pasa a ser un glifo compuesto con 0xfffd subglifos. Al renderizar la fuente editada con FreeType 2.13.0 la última versión anterior a la...

Apple CoreGraphics PoC Emerges as WhatsApp PDF Checks Hint at Possible Delivery Path

Security researchers have published the first public proof-of-concept for CVE-2026-86950 , an Apple CoreGraphics flaw Apple says may have been used in attacks against specific targeted individuals. The trigger is a malicious PDF with a crafted embedded font that crashes unpatched iPhones and Macs...

Rocky Linux 9 [CIQ] Security Update: freetype / freetype-debuginfo / freetype-debugsource / etc (crlsa-2025_3407)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20253407 advisory. freetype: OOB write when attempting to parse font subglyph structures related to TrueType GX and variable font files CVE-2025-27363 Tenable has extracted the...

Rocky Linux 8 [CIQ] Security Update: python-pillow-debuginfo / python-pillow-debugsource / etc Multiple Vulnerabilities (crlsa-2026_39127)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202639127 advisory. python-pillow: Pillow: Denial of Service via crafted BDF font file CVE-2026-55379 python-pillow: Pillow: Denial of Service via crafted GD 2.x image file...

CentOS Linux 7 [TuxCare] Security Update: freetype / freetype-demos / freetype-devel (CENTOS7:CLSA-2025:1742926404)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1742926404 advisory. - An out of bounds write exists in FreeType versions 2.13.0 and below newer versions of FreeType are not vulnerable when attempting to parse font...

AlmaLinux 9.2 [TuxCare] Security Update: libXfont2 / libXfont2-devel Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1787150510)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787150510 advisory. - fsreadglyphs in the libXfont2 font-server client src/fc/fserve.c copies each glyph's bitmap into a single buffer. Existing checks...

AlmaLinux 9.2 [TuxCare] Security Update: freetype / freetype-demos / freetype-devel (ALMALINUX9.2:CLSA-2025:1745956171)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745956171 advisory. - An out of bounds write exists in FreeType versions 2.13.0 and below newer versions of FreeType are not vulnerable when attempting to parse...

Rocky Linux 10.2 [CIQ] Security Update: libXfont2 / libXfont2-debuginfo / libXfont2-debugsource / etc Multiple Vulnerabilities (crlsa-2026_47079)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202647079 advisory. libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 libXfont2: PCF Font Parsing Heap Buffer Overflow CVE-2026-56002...

CentOS Linux 8 [TuxCare] Security Update: xterm / xterm-resize (CENTOS-STREAM8:CLSA-2026:1777030519)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1777030519 advisory. - xterm before 375 allows code execution via font ops, e.g., because an OSC 50 response may have Ctrl-g and therefore lead to command...

Rocky Linux 8 [CIQ] Security Update: freetype / freetype-debuginfo / freetype-debugsource / etc (crlsa-2025_3421)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20253421 advisory. freetype: OOB write when attempting to parse font subglyph structures related to TrueType GX and variable font files CVE-2025-27363 Tenable has extracted the...

Rocky Linux 10.2 [CIQ] Security Update: java-25-openjdk / java-25-openjdk-crypto-adapter / etc Multiple Vulnerabilities (crlsa-2026_55798)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202655798 advisory. JDK: Improve Resource Resolving CVE-2026-60589 JDK: Enhance HTTP Connections CVE-2026-61308 JDK: Improve font loading CVE-2026-70906 JDK: Enhance TLS...

Linux Distros Unpatched Vulnerability : CVE-2026-102995

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pypdf is a free and open-source pure-python PDF library. Prior to 6.18.1, a crafted PDF can place unusually large source-code or destination-string tokens in a...