Bug 2558315 (CVE-2026-113786) - CVE-2026-113786 pypdf: pypdf: Denial of Service via unintended image parser invocation
Summary: CVE-2026-113786 pypdf: pypdf: Denial of Service via unintended image parser i...
Keywords:
Status: NEW
Alias: CVE-2026-113786
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-21 15:13 UTC by OSIDB Bzimport
Modified: 2026-10-22 11:26 UTC (History)
23 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-10-21 15:13:03 UTC 
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.1, an attacker can craft a PDF containing image data labeled with the /DCTDecode filter that causes Pillow to select and invoke an unintended image parser when the image is loaded. Environments without the optional Pillow dependency are not affected. This issue is fixed in version 6.21.1.
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