A AegiFlow
HIGHCVSS 8.7EPSS 0.3%

CVE-2026-59936

pypdf: Possible infinite loop for not terminated inline images

Published
2026-07-23
Modified
2026-07-23
EPSS percentile
27%
Aliases
GHSA-5xf7-4p34-54qr
Sources
github-advisory

Summary

### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page with a not terminated inline image, as done when extracting the page text for example. ### Patches This has been fixed in [pypdf==6.14.1](https://github.com/py-pdf/pypdf/releases/tag/6.14.1). ### Workarounds If you cannot upgrade yet, consider applying the changes from PR [#3891](https://github.com/py-pdf/pypdf/pull/3891).

Affected packages

EcosystemPackageAffected versionsFixed versions
PyPIpypdf6.14.1

Remediation: Upgrade to 6.14.1 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.