How many CVEs have patched HTMLOutput?

1 published CVEs changed HTMLOutput in kovidgoyal/calibre, in 1 distinct patches totalling 6 changed lines, between 2026 and 2026.

What is the latest CVE that changed HTMLOutput?

CVE-2026-25731 (Calibre Affected by Arbitrary Code Execution via Server-Side Template Injection in Calibre HTML Export), published 2026-02-06, changed lines 30 to 36 of src/calibre/ebooks/conversion/plugins/html_output.py.

How does HTMLOutput compare to the rest of kovidgoyal/calibre?

kovidgoyal/calibre has 14 CVEs with a located fix in total; 1 of them changed HTMLOutput.

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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kovidgoyal/calibre

Class

HTMLOutput

Name: HTMLOutput in kovidgoyal/calibre: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/calibre/ebooks/conversion/plugins/html_output.py

Last patched February 6, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

6

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

HTMLOutput in kovidgoyal/calibre was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 6 lines in total.

kovidgoyal/calibre has 14 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

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

Calibre Affected by Arbitrary Code Execution via Server-Side Template Injection in Calibre HTML Export
CVE-2026-25731 · lines 30–36 · +3 −3
High · CVSS 7.8
EPSS 0.3%2026-02-06

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1convertsrc/calibre/ebooks/conversion/plugins/html_output.py1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in kovidgoyal/calibre changed by the most CVE fixes.

get_annotations1 CVEs · src/calibre/srv/books.py evaluate1 CVEs · src/calibre/utils/formatter_functions.py repl1 CVEs · src/calibre/utils/formatter_functions.py __init__1 CVEs · src/calibre/utils/formatter.py compile_python_template1 CVEs · src/calibre/utils/formatter.py __getattribute__1 CVEs · src/calibre/ebooks/metadata/book/base.py

All patched functions in kovidgoyal/calibre

Frequently asked questions

Common questions about CVE fixes to HTMLOutput.

How many CVEs have patched HTMLOutput?: 1 published CVEs changed HTMLOutput in kovidgoyal/calibre, in 1 distinct patches totalling 6 changed lines, between 2026 and 2026.
What is the latest CVE that changed HTMLOutput?: CVE-2026-25731 (Calibre Affected by Arbitrary Code Execution via Server-Side Template Injection in Calibre HTML Export), published 2026-02-06, changed lines 30 to 36 of src/calibre/ebooks/conversion/plugins/html_output.py.
How does HTMLOutput compare to the rest of kovidgoyal/calibre?: kovidgoyal/calibre has 14 CVEs with a located fix in total; 1 of them changed HTMLOutput.
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

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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