CVEvulnerability
CVE-2026-113794
6.0 MEDIUM
Official page ↗
- Status
- Undergoing Analysis
- Published
- 2026-10-21
- Last modified
- 2026-10-28
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.0 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-835
Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, an attacker can craft an incomplete PDF that ends inside a standard cross-reference table, causing pypdf to mishandle the unexpected end of file and enter an infinite loop. This issue is fixed in version 6.20.0.
Related
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness
References
- https://github.com/py-pdf/pypdf/commit/37e1cd681744bac38b159f7e1c614eee8d639c58 github.com
- https://github.com/py-pdf/pypdf/issues/4169 github.com
- https://github.com/py-pdf/pypdf/pull/4170 github.com
- https://github.com/py-pdf/pypdf/releases/tag/6.20.0 github.com
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-39mj-jf6j-2qj3 github.com