CVE-2023-2663— Stack overflow in Xpdf 4.04 due to object loop in PDF page label tree
Quick assessment
Affected
Xpdf Xpdf
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.
Glyph & Cog Xpdf是Glyph & Cog公司的一个开放原始码的PDF档案浏览器。 Xpdf 4.04及之前版本存在安全漏洞，该漏洞源于页面标签树中的 PDF 对象循环会导致无限递归和堆栈溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2023-2663
Vulnerability Information
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Vulnerability Title
Stack overflow in Xpdf 4.04 due to object loop in PDF page label tree
Source: CVE Program / CVE List V5
Vulnerability Description
In Xpdf 4.04 (and earlier), a PDF object loop in the page label tree leads to infinite recursion and a stack overflow.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
Xpdf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Glyph & Cog Xpdf是Glyph & Cog公司的一个开放原始码的PDF档案浏览器。 Xpdf 4.04及之前版本存在安全漏洞，该漏洞源于页面标签树中的 PDF 对象循环会导致无限递归和堆栈溢出。
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
II. Public POCs for CVE-2023-2663
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2023-2663 (1)
Same Patch Batch · Xpdf · 2023-05-11 · 3 CVEs total
| CVE-2023-2664 | 2.9 LOW | Stack overflow in Xpdf 4.04 due to object loop in PDF embedded file tree |
| CVE-2023-2662 | 2.9 LOW | Divide-by-zero in Xpdf 4.04 due to bad color space object |
IV. Related Vulnerabilities
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CVE-2025-2574
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Same vendor: Xpdf
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CVE-2026-85458
Divide-by-zero in Xpdf 4.06 due to zero-height Type 3 glyph -
CVE-2026-4407
Out-of-bounds array write in Xpdf 4.06 due to missing valida -
CVE-2025-11896
Stack overflow in Xpdf 4.05 due to object loop in PDF CMap -
CVE-2025-3154
Out-of-bounds array write due to invalid VerticesPerRow in X -
CVE-2025-2574
Out-of-bounds array write in Xpdf 4.05 due to incorrect inte
Same weakness: CWE-674
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V. Comments for CVE-2023-2663
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