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CVE-2025-15278— FontForge GUtils XBM File Parsing Integer Overflow Remote Code Execution Vulnerability

Quick assessment

Affected
FontForge FontForge
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FontForge是fontforge开源的一款开源的支持多种语言的字体编辑工具。 FontForge存在输入验证错误漏洞，该漏洞源于解析XBM文件像素时对数据验证不当，可能导致整数溢出和远程代码执行。

AI Predicted 8.0 Difficulty: Moderate EPSS 0.26% · P17
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I. Basic Information for CVE-2025-15278

Vulnerability Information
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Vulnerability Title
FontForge GUtils XBM File Parsing Integer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
FontForge GUtils XBM File Parsing Integer 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. The specific flaw exists within the parsing of pixels within XBM files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27865.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
FontForge 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FontForge是fontforge开源的一款开源的支持多种语言的字体编辑工具。 FontForge存在输入验证错误漏洞，该漏洞源于解析XBM文件像素时对数据验证不当，可能导致整数溢出和远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FontForge FontForge 88de9b7dc76fbdef9069b7664ecc280f1c15ba2f -

II. Public POCs for CVE-2025-15278

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III. Intelligence Information for CVE-2025-15278

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Vendor Advisories for CVE-2025-15278 (1)

Same Patch Batch · FontForge · 2025-12-31 · 12 CVEs total

CVE-2025-15269 FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability
CVE-2025-15273 FontForge PFB File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-15274 FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-15276 FontForge SFD File Parsing Deserialization of Untrusted Data Remote Code Execution Vulnera
CVE-2025-15279 FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnera
CVE-2025-15277 FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnera
CVE-2025-15280 FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability
CVE-2025-15272 FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-15271 FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulner
CVE-2025-15275 FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2025-15270 FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulner

IV. Related Vulnerabilities

Same product: FontForge
Same vendor: FontForge
Same weakness: CWE-190

V. Comments for CVE-2025-15278

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