How many CVEs have patched readData?

2 published CVEs changed readData in PHPOffice/PhpSpreadsheet, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.

What is the latest CVE that changed readData?

CVE-2026-59932 (PhpSpreadsheet: Gnumeric reader unbounded gzip expansion causes memory exhaustion), published 2026-07-28, changed lines 235 to 237 of src/PhpSpreadsheet/Shared/OLERead.php.

How does readData compare to the rest of PHPOffice/PhpSpreadsheet?

PHPOffice/PhpSpreadsheet has 21 CVEs with a located fix in total; 2 of them changed readData.

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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PHPOffice/PhpSpreadsheet

Function

readData

Name: readData in PHPOffice/PhpSpreadsheet: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/PhpSpreadsheet/Shared/OLERead.php

Last patched July 28, 2026

2

CVEs

That changed this function

1

Distinct patches

Backports counted once

4

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

readData in PHPOffice/PhpSpreadsheet was changed by 2 published CVE fixes in 2026, in 1 distinct patches that added or removed 4 lines in total.

PHPOffice/PhpSpreadsheet has 21 CVEs with a located fix in total, so 10% of them touched this function.

CVEs that patched it

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

PhpSpreadsheet: Gnumeric reader unbounded gzip expansion causes memory exhaustion
CVE-2026-59932 · lines 235–237 · +2 −0
High · CVSS 7.5
EPSS 0.7%2026-07-28
PhpSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion
CVE-2026-59933 · lines 235–237 · +2 −0
High · CVSS 7.5
EPSS 0.7%2026-07-28

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in PHPOffice/PhpSpreadsheet changed by the most CVE fixes.

generateRow5 CVEs · src/PhpSpreadsheet/Writer/Html.php findCharSet4 CVEs · src/PhpSpreadsheet/Reader/Security/XmlScanner.php toUtf84 CVEs · src/PhpSpreadsheet/Reader/Security/XmlScanner.php setPath3 CVEs · src/PhpSpreadsheet/Worksheet/Drawing.php down3 CVEs · src/PhpSpreadsheet/Calculation/MathTrig/Round.php evaluate3 CVEs · src/PhpSpreadsheet/Calculation/MathTrig/Trunc.php

All patched functions in PHPOffice/PhpSpreadsheet

Frequently asked questions

Common questions about CVE fixes to readData.

How many CVEs have patched readData?: 2 published CVEs changed readData in PHPOffice/PhpSpreadsheet, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.
What is the latest CVE that changed readData?: CVE-2026-59932 (PhpSpreadsheet: Gnumeric reader unbounded gzip expansion causes memory exhaustion), published 2026-07-28, changed lines 235 to 237 of src/PhpSpreadsheet/Shared/OLERead.php.
How does readData compare to the rest of PHPOffice/PhpSpreadsheet?: PHPOffice/PhpSpreadsheet has 21 CVEs with a located fix in total; 2 of them changed readData.
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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