pypdf is a free and open-source pure-python PDF library. Prior to 6.13.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer. This vulnerability is fixed in 6.13.1.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 23 Jun 2026 12:30:00 +0000
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ssvc
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Tue, 23 Jun 2026 00:30:00 +0000
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| First Time appeared |
Py-pdf
Py-pdf pypdf |
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| Vendors & Products |
Py-pdf
Py-pdf pypdf |
Mon, 22 Jun 2026 21:00:00 +0000
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| Description | pypdf is a free and open-source pure-python PDF library. Prior to 6.13.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer. This vulnerability is fixed in 6.13.1. | |
| Title | pypdf: Possible infinite loop when processing threads/articles in writer | |
| Weaknesses | CWE-835 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-23T12:10:07.463Z
Reserved: 2026-06-15T20:16:46.198Z
Link: CVE-2026-54651
Updated: 2026-06-23T12:10:01.616Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-06-23T00:15:03Z
Weaknesses