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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-39mj-jf6j-2qj3 | pypdf: Possible infinite loop when hitting EOF in standard xref table |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 21 Oct 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | pypdf: Possible infinite loop when hitting EOF in standard xref table | |
| Weaknesses | CWE-835 | |
| References |
| |
| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-10-21T15:59:26.054Z
Reserved: 2026-10-20T17:39:41.373Z
Link: CVE-2026-113794
No data.
Status : Received
Published: 2026-10-21T16:17:28.707
Modified: 2026-10-21T16:17:28.707
Link: CVE-2026-113794
No data.
OpenCVE Enrichment
No data.
Weaknesses
Github GHSA