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Security Advisories

CVE-2026-33699

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-33699

Severity

Unknown
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Summary

pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream

Description

pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the changes from the patch manually.

References

Affected packages

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