Updated php packages fix security vulnerabilities:
DirectoryIterator class silently truncates after a null byte (CVE-2019-11045).
Buffer underflow in bcshiftaddsub). (CVE-2019-11046)
Heap-buffer-overflow READ in exif. (CVE-2019-11047)
mail() may release string with refcount==1 twice. (CVE-2019-11049)
Use-after-free in exif parsing under memory sanitizer). (CVE-2019-11050)
For other fixes, see the referenced changelog.