{"id":33412,"date":"2025-12-31T02:25:34","date_gmt":"2025-12-31T02:25:34","guid":{"rendered":"http:\/\/localhost\/?p=33412"},"modified":"2025-12-31T02:25:34","modified_gmt":"2025-12-31T02:25:34","slug":"fontforge-pfb-file-parsing-stack-based-buffer-overflow-remote-code-execution-vulnerability","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=33412","title":{"rendered":"FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability_CVE-2025-15273"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\\n\\nThe specific flaw exists within the parsing of PFB files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28546.&#8221;,&#8221;published&#8221;:&#8221;2025-12-31T06:59:04.808Z&#8221;,&#8221;modified&#8221;:&#8221;2025-12-31T06:59:04.808Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability&#8221;,&#8221;source&#8221;:&#8221;zdi&#8221;,&#8221;references&#8221;:&#8221;https:\/\/www.zerodayinitiative.com\/advisories\/ZDI-25-1191\/&#8221;,&#8221;id&#8221;:&#8221;CVE-2025-15273&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-121&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;FontForge FontForge aca4f524c6cb14cdc7bc4cd493492a33f5154797&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:8.8,&#8221;severity&#8221;:&#8221;HIGH&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.0\/AV:N\/AC:L\/PR:N\/UI:R\/S:U\/C:H\/I:H\/A:H&#8221;,&#8221;version&#8221;:&#8221;3.0&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;FontForge&#8221;,&#8221;version&#8221;:&#8221;aca4f524c6cb14cdc7bc4cd493492a33f5154797&#8243;,&#8221;vendor&#8221;:&#8221;FontForge&#8221;,&#8221;ai_description&#8221;:&#8221;Stack-based buffer overflow in FontForge PFB file parsing allows remote code execution&#8221;,&#8221;ai_severity&#8221;:&#8221;High&#8221;,&#8221;ai_vendor&#8221;:&#8221;FontForge&#8221;,&#8221;ai_product&#8221;:&#8221;FontForge&#8221;,&#8221;ai_version&#8221;:&#8221;aca4f524c6cb14cdc7bc4cd493492a33f5154797&#8243;,&#8221;ai_score&#8221;:8.8}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,41,12,15,13,7,11,5],"class_list":["post-33412","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-88","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability_CVE-2025-15273 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=33412\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability_CVE-2025-15273 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. 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