PY
Product
pypdf
by py-pdf · last CVE Oct 23, 2026
45
CVEs
0
On KEV
7.5
Max CVSS
19
New 30D
Severity mix
Critical 0High 15Medium 23Low 7
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-103000
7.5
0%
Sep 30
pypdf: Possible large memory usage when retrieving alphabetical page labels
Affected: < 6.19.0
CVE-2026-102999
7.5
0%
Sep 30
pypdf: Possible long runtimes with large amount of embedded files
Affected: < 6.19.0
CVE-2026-102998
7.5
0%
Sep 30
pypdf: Possible long runtimes when generating appearance streams
Affected: < 6.19.0
CVE-2026-102997
7.5
0%
Sep 30
pypdf: Possible long runtimes for partially malformed FlateDecode streams (Follow-up)
Affected: < 6.18.1
CVE-2026-102996
7.5
0%
Sep 30
pypdf: Possible large memory usage when parsing font data
Affected: < 6.18.1
CVE-2026-102995
7.5
0%
Sep 30
pypdf: Possible large memory usage for large /ToUnicode streams (Follow-up 2)
Affected: < 6.18.1
CVE-2026-102994
7.5
0%
Sep 30
pypdf: Possible long runtimes/large memory usage when parsing indirect objects
Affected: < 6.18.0
CVE-2026-102993
7.5
0%
Sep 30
pypdf: Possible large memory usage when retrieving Roman page labels
Affected: < 6.17.0
CVE-2026-59936
7.5
1%
Jul 8
pypdf: Possible infinite loop for not terminated inline images
Affected: < 6.14.1
CVE-2026-59935
7.5
1%
Jul 8
pypdf: Possible infinite loop for not terminated inline images (ASCII85 and ASCIIHex filter)
Affected: < 6.14.2
CVE-2026-59937
7.5
1%
Jul 8
pypdf: Possible long runtimes for repeated malformed cross-reference entries
Affected: < 6.14.0
CVE-2026-33699
7.5
0%
Mar 26
pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream
Affected: < 6.9.2
CVE-2026-115585
New
7.1
0%
Oct 23
pypdf: Possible long runtimes for repeated malformed cross-reference entries (Follow-up)
Affected: < 6.21.2
CVE-2026-115580
New
7.1
0%
Oct 23
pypdf: Possible long runtimes for large xref table header limits
Affected: < 6.21.2
CVE-2026-115572
New
7.1
0%
Oct 23
pypdf: Possible long runtimes for repeated references to the same missing object
Affected: < 6.21.2
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
New
6.0
0%
Oct 21
pypdf: Possible large memory usage for streams with multiple filters
Affected: < 6.20.0
CVE-2026-113794
New
6.0
0%
Oct 21
pypdf: Possible infinite loop when hitting EOF in standard xref table
Affected: < 6.20.0
CVE-2026-113793
New
6.0
0%
Oct 21
pypdf: Possible infinite loop when removing tree items
Affected: < 6.20.1
CVE-2026-113792
New
6.0
0%
Oct 21
pypdf: Possible infinite loop in PdfWriter.find_outline_item
Affected: < 6.20.1
CVE-2026-113791
New
6.0
0%
Oct 21
pypdf: Possible large memory usage when parsing content streams
Affected: < 6.21.0
CVE-2026-113790
New
6.0
0%
Oct 21
pypdf: Possible large memory usage when parsing arrays and dictionaries
Affected: < 6.21.0
CVE-2026-113789
New
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-2026-82398
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-2026-84311
3.3
0%
Sep 1
pypdf: Possible long runtimes/large memory usage when extracting XForm objects
Affected: < 6.16.1
CVE-2026-84310
3.3
0%
Sep 1
pypdf: Possible long runtimes/large memory usage when retrieving outlines
Affected: < 6.16.1
CVE-2026-71870
3.3
0%
Aug 7
pypdf: Possible large memory usage for large /ToUnicode streams
Affected: < 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: < 6.15.0
CVE-2026-49460
3.3
0%
Jun 22
pypdf: Inefficient decoding of FlateDecode PNG predictor streams
Affected: < 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: < 6.12.0
CVE-2026-113786
New
2.3
0%
Oct 21
pypdf: Unvalidated JPEG image data loading
Affected: < 6.21.1
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