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Status published
Medium
CVE-2025-62707
pypdf affected by possible infinite loop when reading DCT inline images without EOF marker
Vulnerability Description
pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter. This has been fixed in pypdf version 6.1.3.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
py-pdf
View all reports →Affected Software
pypdf
Vulnerable Versions:
< 6.1.3
Timeline
Official Publish:
October 22nd, 2025
Last Modified:
October 23rd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.