CVE-2026-113795

UNKNOWN 0.0

pypdf: Possible large memory usage for streams with multiple filters

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in version 6.20.0.

CWE	CWE-400 CWE-770
Vendor	py-pdf
Product	pypdf
Published	Oct 21, 2026

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Affected Versions

py-pdf / pypdf

< 6.20.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/py-pdf/pypdf/security/advisories/GHSA-7mh2-4gg2-979f github.com: https://github.com/py-pdf/pypdf/pull/4173 github.com: https://github.com/py-pdf/pypdf/commit/80a84d4be6022d910874ccb0d2365400f3f0e185 github.com: https://github.com/py-pdf/pypdf/releases/tag/6.20.0