pypdf2: pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files
CVE-2023-36807 is fixed in pypdf2 on 1 platform by DEBIAN-CVE-2023-36807 (version 2.10.7-1), released June 30, 2023. It is not reported as exploited. Patch Radar priority: Routine.
pypdf is a pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files. In version 2.10.5 an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This infinite loop blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage. That is, for example, the case if the user extracted metadata from such a malformed PDF. Versions prior to 2.10.5 throw an error, but do not hang forever. This issue was fixed with https://github.com/py-pdf/pypdf/pull/1331 which has been included in release 2.10.6. Users are advised to upgrade. Users unable to upgrade should modify `PyPDF2/generic/_data_structures.py::read_object` to an an error throwing case. See GHSA-hm9v-vj3r-r55m for details.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| pypdf2 · Debian 12.15 (bookworm) | 2.10.7-1 | DEBIAN-CVE-2023-36807 | Jun 30, 2023 |
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