How many CVEs have patched root_object?

2 published CVEs changed root_object in py-pdf/pypdf, in 2 distinct patches totalling 32 changed lines, between 2026 and 2026.

What is the latest CVE that changed root_object?

CVE-2026-22691 (pypdf has possible long runtimes for malformed startxref), published 2026-01-10, changed lines 230 to 240 of pypdf/_reader.py.

How does root_object compare to the rest of py-pdf/pypdf?

py-pdf/pypdf has 52 CVEs with a located fix in total; 2 of them changed root_object.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Patched Functions
Py Pdf
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Root_object

root_object in py-pdf/pypdf: Patched by 2 CVEs

py-pdf/pypdf

Function

root_object

Name: root_object in py-pdf/pypdf: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

pypdf/_reader.py

Last patched January 10, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

root_object in py-pdf/pypdf was changed by 2 published CVE fixes in 2026, in 2 distinct patches that added or removed 32 lines in total.

py-pdf/pypdf has 52 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed root_object, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

pypdf has possible long runtimes for malformed startxref
CVE-2026-22691 · lines 230–240 · +9 −7
Low · CVSS 2.7
EPSS 0.4%2026-01-10
pypdf has possible long runtimes for missing /Root object with large /Size values
CVE-2026-22690 · lines 230–240 · +9 −7
Low · CVSS 2.7
EPSS 0.4%2026-01-10

Get an alert when the next CVE fix lands in py-pdf/pypdf, with the patched functions.

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1_sanitize_pdf15_xref_stream_index_pairspypdf/_reader.py2 CVEs · 4 patches2026
2__init__pypdf/_reader.py2 CVEs · 2 patches2026
3_find_pdf_objectspypdf/_reader.py2 CVEs · 2 patches2026
4read_object_headerpypdf/_reader.py1 CVEs · 2 patches2026
5_read_standard_xref_tablepypdf/_reader.py1 CVEs · 2 patches2026
6used_beforepypdf/_reader.py1 CVEs · 2 patches2026
7_get_object_from_streampypdf/_reader.py1 CVEs · 2 patches2026
8_load_recovery_cachepypdf/_reader.py1 CVEs · 2 patches2026

Other hotspots in the repository

Functions in py-pdf/pypdf changed by the most CVE fixes.

decode5 CVEs · pypdf/filters.py _decompress_with_limit4 CVEs · pypdf/filters.py decompress3 CVEs · pypdf/filters.py _get_outline3 CVEs · pypdf/_doc_common.py _flatten3 CVEs · pypdf/_doc_common.py _extract_text3 CVEs · pypdf/_page.py

All patched functions in py-pdf/pypdf

Frequently asked questions

Common questions about CVE fixes to root_object.

How many CVEs have patched root_object?: 2 published CVEs changed root_object in py-pdf/pypdf, in 2 distinct patches totalling 32 changed lines, between 2026 and 2026.
What is the latest CVE that changed root_object?: CVE-2026-22691 (pypdf has possible long runtimes for malformed startxref), published 2026-01-10, changed lines 230 to 240 of pypdf/_reader.py.
How does root_object compare to the rest of py-pdf/pypdf?: py-pdf/pypdf has 52 CVEs with a located fix in total; 2 of them changed root_object.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

pypdf/_reader.py on GitHub (opens in a new tab)
All patched functions in py-pdf/pypdf
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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