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Issue zend_mm_heap corrupted

Ayki

Basic Pleskian
Server running on Centos 7 with PHP 7.4 displays the error : zend_mm_heap corrupted

quite a few times every day

The issue is two day ago it triggered a mpm_event:error and shut down the Apache server at a busy time. I have no php extensions. The domain in questions set to use PHP 7.4.25 run as FPM application served by Apache.

I also do not know why there is a reference to PHP 7.3.32 in the Apache error logs as this version is not in use?

Any guidance will be very much appreciated
See a snapshot of the error log below:
[Mon Nov 15 03:46:14.380827 2021] [mpm_event:notice] [pid 235589:tid 140503463381120] AH00493: SIGUSR1 received. Doing graceful restart
[Mon Nov 15 03:46:17.652935 2021] [lbmethod_heartbeat:notice] [pid 235589:tid 140503463381120] AH02282: No slotmem from mod_heartmonitor
[Mon Nov 15 03:46:17.653651 2021] [ssl:warn] [pid 235589:tid 140503463381120] AH01909: RSA certificate configured for default-10_10_0_206:443 does NOT include an ID which matches the server name
[Mon Nov 15 03:46:17.653924 2021] [ssl:warn] [pid 235589:tid 140503463381120] AH01909: RSA certificate configured for default-109_228_51_108:443 does NOT include an ID which matches the server name
[Mon Nov 15 03:46:17.654255 2021] [ssl:warn] [pid 235589:tid 140503463381120] AH02292: Init: Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Mon Nov 15 03:46:17.671742 2021] [mpm_event:notice] [pid 235589:tid 140503463381120] AH00489: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.3.32 mod_fcgid/2.3.9 configured -- resuming normal operations
[Mon Nov 15 03:46:17.671764 2021] [core:notice] [pid 235589:tid 140503463381120] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
zend_mm_heap corrupted
[Mon Nov 15 09:57:33.332838 2021] [mpm_event:error] [pid 235589:tid 140503463381120] AH00485: scoreboard is full, not at MaxRequestWorkers
 
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