7.8

CVE-2025-64512

Exploit

pdfminer.six vulnerable to Arbitrary Code Execution via Crafted PDF Input

Pdfminer.six is a community maintained fork of the original PDFMiner, a tool for extracting information from PDF documents. Prior to version 20251107, pdfminer.six will execute arbitrary code from a malicious pickle file if provided with a malicious PDF file. The `CMapDB._load_data()` function in pdfminer.six uses `pickle.loads()` to deserialize pickle files. These pickle files are supposed to be part of the pdfminer.six distribution stored in the `cmap/` directory, but a malicious PDF can specify an alternative directory and filename as long as the filename ends in `.pickle.gz`. A malicious, zipped pickle file can then contain code which will automatically execute when the PDF is processed. Version 20251107 fixes the issue.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Pdfminer ≫ Pdfminer.Six Version < 2025-11-07
Debian ≫ Debian Linux Version 11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.31% 0.232
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
security-advisories@github.com 8.6 1.8 6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

https://github.com/pdfminer/pdfminer.six/security/advisories/GHSA-wf5f-4jwr-ppcp
Vendor Advisory
Exploit
https://github.com/pdfminer/pdfminer.six/commit/b808ee05dd7f0c8ea8ec34bdf394d40e63501086
Patch
https://github.com/pdfminer/pdfminer.six/releases/tag/20251107
Release Notes
https://lists.debian.org/debian-lts-announce/2025/11/msg00017.html
Mailing List
https://lists.debian.org/debian-lts-announce/2026/01/msg00005.html