Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix bug #69248 - heap overflow vulnerability in regcomp.c
  add test for bug #68976

NEWS

@@ -21,6 +21,9 @@ PHP                                                                        NEWS
   . Fixed bug #65406 (Enchant broker plugins are in the wrong place in windows
     builds). (Anatol)
 
+- Ereg:
+  . Fixed bug #69248 (heap overflow vulnerability in regcomp.c). (Stas)
+
 - Filter:
   . Fixed bug #69202 (FILTER_FLAG_STRIP_BACKTICK ignored unless other
     flags are used). (Jeff Welch)

ext/ereg/regex/regcomp.c

@@ -117,7 +117,15 @@ int cflags;
 							(NC-1)*sizeof(cat_t));
 	if (g == NULL)
 		return(REG_ESPACE);
-	p->ssize = len/(size_t)2*(size_t)3 + (size_t)1;	/* ugh */
+	{
+		/* Patched for CERT Vulnerability Note VU#695940, Feb 2015. */
+		size_t new_ssize = len/(size_t)2*(size_t)3 + (size_t)1; /* ugh */
+		if (new_ssize < len || new_ssize > LONG_MAX / sizeof(sop)) {
+			free((char *) g);
+			return REG_INVARG;
+		}
+		p->ssize = new_ssize;
+	}
 	p->strip = (sop *)malloc(p->ssize * sizeof(sop));
 	p->slen = 0;
 	if (p->strip == NULL) {

ext/standard/tests/serialize/bug68976.phpt

@@ -0,0 +1,37 @@
+--TEST--
+Bug #68976 Use After Free Vulnerability in unserialize()
+--FILE--
+<?php
+class evilClass {
+	public $name;
+	function __wakeup() {
+		unset($this->name);
+	}
+}
+
+$fakezval = pack(
+    'IIII',
+    0x00100000,
+    0x00000400,
+    0x00000000,
+    0x00000006 
+);
+
+$data = unserialize('a:2:{i:0;O:9:"evilClass":1:{s:4:"name";a:2:{i:0;i:1;i:1;i:2;}}i:1;R:4;}');
+
+for($i = 0; $i < 5; $i++) {
+    $v[$i] = $fakezval.$i;
+}
+
+var_dump($data);
+?>
+===DONE===
+--EXPECTF--
+array(2) {
+  [0]=>
+  object(evilClass)#1 (0) {
+  }
+  [1]=>
+  int(1)
+}
+===DONE===