← CVE Intelligence

CVE-2026-33699

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

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
py-pdf / pypdfaffected < 6.9.2

CWE

CWE-835

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.