CVE-2024-7868— Uninitialized variable in Xpdf 4.05 due to invalid JPEG header
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I. Basic Information for CVE-2024-7868
Vulnerability Information
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Vulnerability Title
Uninitialized variable in Xpdf 4.05 due to invalid JPEG header
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Xpdf 4.05 (and earlier), invalid header info in a DCT (JPEG) stream can lead to an uninitialized variable in the DCT decoder. The proof-of-concept PDF file causes a segfault attempting to read from an invalid address.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用未经初始化的变量
Source: NVD (National Vulnerability Database)
Vulnerability Title
Xpdf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xpdf是Xpdf公司的一个免费的 PDF 查看器和工具包，包括文本提取器、图像转换器、HTML 转换器等。 Xpdf 4.05版本及之前版本存在安全漏洞，该漏洞源于DCT（JPEG）流中的无效标头信息可能导致 DCT 解码器中的变量未初始化。
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-2024-7868
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Same Patch Batch · Xpdf · 2024-08-15 · 3 CVEs total
| CVE-2024-7866 | Stack overflow in Xpdf 4.05 due to object loop in PDF pattern | |
| CVE-2024-7867 | Integer overflow and divide-by-zero in Xpdf 4.05 due to bogus page box coordinates |
IV. Related Vulnerabilities
Same product: Xpdf
- 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 - CVE-2024-7867
Integer overflow and divide-by-zero in Xpdf 4.05 due to bogu
Same vendor: Xpdf
- 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 - CVE-2024-7867
Integer overflow and divide-by-zero in Xpdf 4.05 due to bogu
V. Comments for CVE-2024-7868
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