Vulnerabilities (CVE)

Filtered by vendor Py-pdf Subscribe
Filtered by product Pypdf
Total 62 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-36810 1 Py-pdf 1 Pypdf 2026-11-02 N/A 6.2 MEDIUM
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.
CVE-2026-28804 1 Py-pdf 1 Pypdf 2026-11-02 N/A 5.3 MEDIUM
pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.5, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. This issue has been patched in version 6.7.5.