PHP 5.4 is no longer officially supported by the PHP project.
Official support refers to that provided direct by the PHP Project.
If you install PHP via third-party packages, support timelines may be different.
Please read the Release Support Policy for more information.
The latest release of PHP 5.4 is
5.4.45.
Source Code
Change Log
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fileinfo
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Fixed bug
#66242 (libmagic: don't assume char is signed).
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core
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Fixed bug
#67985 (Incorrect last used array index copied to new array after unset).
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Fixed bug
#68044 (Integer overflow in unserialize() (32-bits only)). (CVE-2014-3669)
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curl
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Fixed bug
#68089 (NULL byte injection - cURL lib).
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exif
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Fixed bug
#68113 (Heap corruption in exif_thumbnail()). (CVE-2014-3670)
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openssl
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xmlrpc
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Fixed bug
#68027 (Global buffer overflow in mkgmtime() function). (CVE-2014-3668)