PY
Product
pypdf
by py-pdf · last CVE Oct 23, 2026
56
CVEs
0
On KEV
7.5
Max CVSS
19
New 30D
Severity mix
Critical 0High 17Medium 32Low 7
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Add pypdf to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-57204
6.5
0%
Jun 30
pypdf: Missing stream length values ignore defined limits
Affected: < 6.13.3
CVE-2026-41314
6.5
0%
Apr 22
pypdf: Manipulated FlateDecode image dimensions can exhaust RAM
Affected: < 6.10.2
CVE-2026-41313
6.5
0%
Apr 22
pypdf: Possible long runtimes for wrong size values in incremental mode
Affected: < 6.10.2
CVE-2026-41312
6.5
0%
Apr 22
pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM
Affected: < 6.10.2
CVE-2026-33123
6.5
0%
Mar 20
pypdf has inefficient decoding of array-based streams
Affected: < 6.9.1
CVE-2026-113795
6.0
0%
Oct 21
pypdf: Possible large memory usage for streams with multiple filters
Affected: < 6.20.0
CVE-2026-113794
6.0
0%
Oct 21
pypdf: Possible infinite loop when hitting EOF in standard xref table
Affected: < 6.20.0
CVE-2026-113793
6.0
0%
Oct 21
pypdf: Possible infinite loop when removing tree items
Affected: < 6.20.1
CVE-2026-113792
6.0
0%
Oct 21
pypdf: Possible infinite loop in PdfWriter.find_outline_item
Affected: < 6.20.1
CVE-2026-113791
6.0
0%
Oct 21
pypdf: Possible large memory usage when parsing content streams
Affected: < 6.21.0
CVE-2026-113790
6.0
0%
Oct 21
pypdf: Possible large memory usage when parsing arrays and dictionaries
Affected: < 6.21.0
CVE-2026-113789
6.0
0%
Oct 21
pypdf: Possible long runtimes/large memory usage when retrieving form fields
Affected: < 6.21.0
CVE-2026-84309
5.5
0%
Sep 1
pypdf: Possible infinite loop for TreeObject.insert_child
Affected: < 6.16.0
CVE-2026-54651
5.5
0%
Jun 22
pypdf: Possible infinite loop when processing threads/articles in writer
Affected: < 6.13.1
CVE-2026-49461
5.5
0%
Jun 22
pypdf: Possible large memory usage for form XObjects during text extraction
Affected: < 6.12.2
CVE-2026-54531
5.5
0%
Jun 22
pypdf: Possible infinite loop when processing outlines/bookmarks in writer
Affected: < 6.13.0
CVE-2026-54530
5.5
0%
Jun 22
pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction
Affected: < 6.13.0
CVE-2026-48155
5.5
0%
May 28
pypdf: Possible large memory usage for large offsets for layout mode text
Affected: < 6.12.0
CVE-2026-48735
5.5
0%
May 28
pypdf: Manipulated XMP metadata streams can exhaust RAM
Affected: < 6.12.1
CVE-2026-31826
5.5
0%
Mar 10
pypdf: manipulated stream length values can exhaust RAM
Affected: < 6.8.0
CVE-2026-27026
5.5
0%
Feb 20
pypdf possibly has long runtimes for malformed FlateDecode streams
Affected: < 6.7.1
CVE-2026-27025
5.5
0%
Feb 20
pypdf has possible long runtimes/large memory usage for large /ToUnicode streams
Affected: < 6.7.1
CVE-2026-27024
5.5
0%
Feb 20
pypdf has a possible infinite loop when processing TreeObject
Affected: < 6.7.1
CVE-2026-82398
5.3
1%
Aug 31
pypdf: Inefficient handling of non-whitespace inputs in read_until_whitespace
Affected: < 6.15.0
CVE-2026-59938
5.3
1%
Jul 8
pypdf: Possible large memory usage for wrong image dimensions
Affected: < 6.14.0
CVE-2026-41168
5.3
0%
Apr 22
pypdf has possible long runtimes for wrong size values in cross-reference and object streams
Affected: < 6.10.1
CVE-2026-40260
5.3
0%
Apr 16
pypdf: Manipulated XMP metadata entity declarations can exhaust RAM
Affected: < 6.10.0
CVE-2026-28804
5.3
0%
Mar 6
pypdf: Inefficient decoding of ASCIIHexDecode streams
Affected: < 6.7.5
CVE-2026-28351
5.3
0%
Feb 27
Manipulated RunLengthDecode streams can exhaust RAM
Affected: < 6.7.4
CVE-2026-22691
5.3
0%
Jan 10
pypdf has possible long runtimes for malformed startxref
Affected: < 6.6.0
CVE-2026-22690
5.3
0%
Jan 10
pypdf has possible long runtimes for missing /Root object with large /Size values
Affected: < 6.6.0
CVE-2026-24688
4.3
0%
Jan 27
pypdf has possible Infinite Loop when processing outlines/bookmarks
Affected: < 6.6.2
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