Bug 2558356 (CVE-2026-113789) - CVE-2026-113789 pypdf: pypdf: Denial of Service via crafted PDF form fields
Summary: CVE-2026-113789 pypdf: pypdf: Denial of Service via crafted PDF form fields
Keywords:
Status: NEW
Alias: CVE-2026-113789
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-21 15:57 UTC by OSIDB Bzimport
Modified: 2026-10-29 17:10 UTC (History)
23 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-10-21 15:57:41 UTC 
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF that causes large memory usage or long runtimes when an application retrieves the document's form fields. This issue is fixed in version 6.21.0.
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