https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-08T21:24:21.880001+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/bdu:2023-07658 bdu:2023-07658 2026-10-08T21:24:21.998218+00:00 bdu:2023-07658 https://cve.radiocsirt.org/vuln/euvd-2026-216604 EUVD-2026-216604 2026-10-08T21:24:21.998265+00:00 EUVD-2026-216604 https://cve.radiocsirt.org/vuln/fkie_cve-2023-36810 fkie_cve-2023-36810 2026-10-08T21:24:21.998280+00:00

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.

 https://cve.radiocsirt.org/vuln/ghsa-jrm6-h9cq-8gqw GHSA-jrm6-h9cq-8gqw — PyPDF2 quadratic runtime with malformed PDF missing xref marker 2026-10-08T21:24:21.998313+00:00

Affected: PyPI: PyPDF2

### Impact 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.

### Patches https://github.com/py-pdf/pypdf/pull/808

### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_

### References * [PyPDF2 PR #808](https://github.com/py-pdf/pypdf/pull/808) * [PyPDF2 Issue #582](https://github.com/py-pdf/pypdf/issues/582)

 https://cve.radiocsirt.org/vuln/gsd-2023-36810 gsd-2023-36810 2026-10-08T21:24:21.998342+00:00 gsd-2023-36810 https://cve.radiocsirt.org/vuln/pysec-2026-1837 PYSEC-2026-1837 — PyPDF2 quadratic runtime with malformed PDF missing xref marker 2026-10-08T21:24:21.998354+00:00

Affected: PyPI: pypdf2

### Impact 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.

### Patches https://github.com/py-pdf/pypdf/pull/808

### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_

### References * [PyPDF2 PR #808](https://github.com/py-pdf/pypdf/pull/808) * [PyPDF2 Issue #582](https://github.com/py-pdf/pypdf/issues/582)

 https://cve.radiocsirt.org/vuln/ubuntu-cve-2023-36810 UBUNTU-CVE-2023-36810 2026-10-08T21:24:21.998377+00:00

Affected: Ubuntu:Pro:16.04:LTS: pypdf2, Ubuntu:Pro:18.04:LTS: pypdf2, Ubuntu:20.04:LTS: pypdf2, Ubuntu:22.04:LTS: pypdf2

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.