CLSA-2025-1757947715 php: Fix of 3 CVEs

CVE-2017-9224: fix out-of-bounds read of a stack in matchat function - CVE-2017-9226: fix out-of-bounds write or read of a heap in nextstateval function - CVE-2017-9227: fix out-of-bounds read of a stack in mbcenclen function...

UBUNTU-CVE-2017-9226

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write or read occurs in nextstateval during regular expression compilation. Octal numbers larger than 0xff are not handled correctly in fetchtoken and...