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IDProjectCategoryView StatusLast Update
20569Bug reportsStatisticspublic2026-08-07 15:05
ReporterDenisChenu Assigned Toc_schmitz  
PrioritynoneSeverityminor 
Status resolvedResolutionfixed 
Product Version7.0.x 
Summary20569: Invalid quartile for crypted data
Description

If data is crypted : quartile of numeric question are false

Steps To Reproduce

Steps to reproduce

Import included survey
Check response : both question have same value
Go to statistics
Check all
View statistics

Expected result

Both have the same values for quartile OR no questile for crypted

Actual result

Different value, and in soùme situation, really bad value (Seem my medium here)

TagsNo tags attached.
Attached Files
Bug heat4
Complete LimeSurvey version number (& build)7.0.2
I will donate to the project if issue is resolvedNo
Story point estimate
Browsernot relevant
Database type & versionnot relevant
Server OS (if known)not relevant
Webserver software & version (if known)not relevant
PHP Versionnot relevant

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Activities

DenisChenu

DenisChenu

2026-06-19 17:48

developer   ~85075

Found when work on Fixed issue #19645: [Security] Nonce re-use cryptology weakness

The issue is here : https://github.com/LimeSurvey/LimeSurvey/blob/c3fc519a929c17d29c5781ba5941d6b516cce943/application/helpers/admin/statistics_helper.php#L4168

We order by crypted data. Then no real order.

c_schmitz

c_schmitz

2026-08-07 15:05

administrator   ~85396

Fix committed to master branch: http://bugs.limesurvey.org/plugin.php?page=Source/view&id=40123

Related Changesets

LimeSurvey: master 9cc8dcb0

2026-08-07 15:05

c_schmitz


Details Diff
Fixed issue 20569: Invalid quartile calculation for encrypted numeric response data Affected Issues
20569
mod - application/helpers/admin/statistics_helper.php Diff File

Issue History

Date Modified Username Field Change
2026-06-19 17:46 DenisChenu New Issue
2026-06-19 17:46 DenisChenu File Added: survey_archive_Quartile.lsa
2026-06-19 17:46 DenisChenu File Added: Capture d’écran du 2026-06-19 17-46-28.png
2026-06-19 17:48 DenisChenu Note Added: 85075
2026-06-19 17:48 DenisChenu Bug heat 0 => 2
2026-08-07 15:05 c_schmitz Changeset attached => LimeSurvey master 9cc8dcb0
2026-08-07 15:05 c_schmitz Note Added: 85396
2026-08-07 15:05 c_schmitz Assigned To => c_schmitz
2026-08-07 15:05 c_schmitz Status new => resolved
2026-08-07 15:05 c_schmitz Resolution open => fixed
2026-08-07 15:05 c_schmitz Bug heat 2 => 4