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php: heap-based buffer overflow in array_merge()

🗓️ 12 Mar 2026 16:17:44Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

PHP heap overflow in array_merge when total elements exceed thirty two bit limit or hash table size due to overflow.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : php8.4, php8.4-bcmath, php8.4-cli (ALAS2023-2025-1352)
8 Jan 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : php8.3, php8.3-bcmath, php8.3-cli (ALAS2023-2025-1353)
8 Jan 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : php8.2, php8.2-bcmath, php8.2-cli (ALAS2023-2025-1354)
8 Jan 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : php8.1, php8.1-bcmath, php8.1-cli (ALAS2023-2025-1355)
8 Jan 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : php, --advisory ALAS2PHP8.1-2026-008 (ALASPHP8.1-2026-008)
22 Jan 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : php, --advisory ALAS2PHP8.2-2026-009 (ALASPHP8.2-2026-009)
22 Jan 202600:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0043: php:7.4 (ALINUX3-SA-2026:0043)
5 Mar 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : php:8.2 (ALSA-2026:1409)
2 Feb 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : php:8.2 (ALSA-2026:1412)
2 Feb 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : php:8.3 (ALSA-2026:1429)
30 Jan 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.3noarchapcu-panel5.1.18-1.module+el8.3.0+6678+b09f589eapcu-panel-5.1.18-1.module+el8.3.0+6678+b09f589e.noarch.rpm
Red Hat Enterprise Linux8.3ppc64lelibzip1.6.1-1.module+el8.3.0+6678+b09f589elibzip-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64libzip1.6.1-1.module+el8.3.0+6678+b09f589elibzip-1.6.1-1.module+el8.3.0+6678+b09f589e.x86_64.rpm
Red Hat Enterprise Linux8.3ppc64lelibzip-debuginfo1.6.1-1.module+el8.3.0+6678+b09f589elibzip-debuginfo-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64libzip-debuginfo1.6.1-1.module+el8.3.0+6678+b09f589elibzip-debuginfo-1.6.1-1.module+el8.3.0+6678+b09f589e.x86_64.rpm
Red Hat Enterprise Linux8.3ppc64lelibzip-debugsource1.6.1-1.module+el8.3.0+6678+b09f589elibzip-debugsource-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64libzip-debugsource1.6.1-1.module+el8.3.0+6678+b09f589elibzip-debugsource-1.6.1-1.module+el8.3.0+6678+b09f589e.x86_64.rpm
Red Hat Enterprise Linux8.3ppc64lelibzip-devel1.6.1-1.module+el8.3.0+6678+b09f589elibzip-devel-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le.rpm
Red Hat Enterprise Linux8.3x86_64libzip-devel1.6.1-1.module+el8.3.0+6678+b09f589elibzip-devel-1.6.1-1.module+el8.3.0+6678+b09f589e.x86_64.rpm
Red Hat Enterprise Linux8.3ppc64lelibzip-tools1.6.1-1.module+el8.3.0+6678+b09f589elibzip-tools-1.6.1-1.module+el8.3.0+6678+b09f589e.ppc64le.rpm
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08 Jul 2026 13:48Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5 - 8.2
EPSS0.00428
SSVC
CWE-787
array merge overflowelement count overflowhash table limitmemory corruption risk
10