[#48130] - [5.4] Safeguard php_uname function call
- Fixed in Code Base
- 23 Aug 2026
- Medium
- Build: 5.4-dev
- # 48130
- Diff
- alikon:patch-5
User tests: Successful: Unsuccessful:
Pull Request resolves #48119.
- I read the Generative AI policy and my contribution is either not created with the help of AI or is compatible with the policy and GNU/GPL 2 or later.
Summary of Changes
Check if php_uname function exists before calling it.
Enhance server OS detection with fallback when php_uname() is not allowed
Testing Instructions
have an enviroment with php_uname listed as disabled
Actual result BEFORE applying this Pull Request
Call to undefined function
Expected result AFTER applying this Pull Request
even if php_uname is disabled it gracefully have a fallback
Link to documentations
Please select:
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Documentation link for guide.joomla.org:
-
No documentation changes for guide.joomla.org needed
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Pull Request link for manual.joomla.org:
-
No documentation changes for manual.joomla.org needed
| Status | New | ⇒ | Pending |
joomla-cms-bot
- | Category | ⇒ | Administration com_admin |
| Labels |
Added:
PR-5.4-dev
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| Category | Administration com_admin | ⇒ | Administration com_admin Modules Front End |
| Category | Administration com_admin Modules Front End | ⇒ | Administration com_admin Modules Front End Plugins |
| Title |
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I have tested this item ✅ successfully on f40113f
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
I have tested this item ✅ successfully on f40113f
* Tested with JBT
- Disabling function with:
docker exec -it jbt-54 php -r 'var_dump(function_exists("php_uname"));'- Appened
disable_functions = php_unameto/usr/local/etc/php/php.inifile docker restart jbt-54
- Seen error before
- Applied PR with Patch Tester
- The ‘500’ error no longer occurs in the backend
- Checked all PHP source code files, all four places are covered by
function_exists
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
I have tested this item ✅ successfully on f40113f
* Tested with JBT
- Disabling function with:
docker exec -it jbt-54 php -r 'var_dump(function_exists("php_uname"));'- Appened
disable_functions = php_unameto/usr/local/etc/php/php.inifile docker restart jbt-54
- Seen error before
- Applied PR with Patch Tester
- The ‘500’ error no longer occurs in the backend
- Checked all PHP source code files, all four places are covered by
function_exists
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
| Status | Pending | ⇒ | Ready to Commit |
RTC
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
RTC
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
| Labels |
Added:
RTC
bug
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I have tested this item ✅ successfully on 0841a8f
Final test before merging: System info and Stats checked without and with this PR with the php_uname function being enabled and disabled.
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
I have tested this item ✅ successfully on 0841a8f
Final test before merging: System info and Stats checked without and with this PR with the php_uname function being enabled and disabled.
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.
| Status | Ready to Commit | ⇒ | Fixed in Code Base |
| Closed_Date | 0000-00-00 00:00:00 | ⇒ | 2026-08-23 17:35:27 |
| Closed_By | ⇒ | richard67 |
Thanks @alikon for this PR, and @ThomasFinnern and @muhme for testing.
I have tested this item ✅ successfully on f40113f
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/48130.