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Security Advisories

CVE-2026-27024

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-27024

Severity

Unknown
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Summary

pypdf has a possible infinite loop when processing TreeObject

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. This vulnerability is fixed in 6.7.1.

References

Affected packages

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