Pypdf vulnerabilities | LiveThreat CVE Feed — Verisq

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PY

Product

Pypdf

by Pypdf Project · last CVE Sep 30, 2026

52

CVEs

0

On KEV

7.5

Max CVSS

8

New 30D

Vulnerabilities52 In the news0 Timeline

Severity mix

Critical 0High 17Medium 29Low 6

Severity

All severities52 Critical0 High17 Medium29 Low6

Exploitation

On CISA KEV0 Exploited in the wild0

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CVE	CVSS	EPSS	Published	Summary · affected versions
CVE-2026-84311	3.3	0%	Sep 1	pypdf: Possible long runtimes/large memory usage when extracting XForm objects Affected: before 6.16.1
CVE-2026-84310	3.3	0%	Sep 1	pypdf: Possible long runtimes/large memory usage when retrieving outlines Affected: before 6.16.1
CVE-2026-71870	3.3	0%	Aug 7	pypdf: Possible large memory usage for large /ToUnicode streams Affected: before 6.15.0
CVE-2026-71852	3.3	0%	Aug 7	pypdf: Possible long runtimes/large memory usage for large CID font width ranges Affected: before 6.15.0
CVE-2026-49460	3.3	0%	Jun 22	pypdf: Inefficient decoding of FlateDecode PNG predictor streams Affected: before 6.12.2
CVE-2026-48156	3.3	0%	May 28	pypdf: Possible long runtimes for zero-only width values in cross-reference streams Affected: before 6.12.0