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CVE-2023-36810

Published: 30/06/2023 Updated: 14/07/2023
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 0
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Vulnerability Summary

pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. This issue has been addressed in PR 808 and versions from 1.27.9 include this fix. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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References

CWE-407https://github.com/py-pdf/pypdf/issues/582https://github.com/py-pdf/pypdf/security/advisories/GHSA-jrm6-h9cq-8gqwhttps://github.com/py-pdf/pypdf/pull/808https://lists.debian.org/debian-lts-announce/2023/07/msg00019.htmlhttps://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2020-4463CVE-2024-3400deserializationCVE-2024-21788CVE-2023-42433CVE-2024-21841CVE-2024-22095local file inclusionmemory leak
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