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CVE PROGRAM SOURCE RECORD1.2 Low

CVE-2026-27628

pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

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Status
Published
Published
Updated
Assigning organization
GitHub_M

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

py-pdf pypdf

  • < 6.7.2affected

References