summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--NEWS3
-rw-r--r--ext/mbstring/php_mbregex.c5
-rw-r--r--ext/mbstring/tests/bug77367.phpt21
3 files changed, 26 insertions, 3 deletions
diff --git a/NEWS b/NEWS
index 4ece82c45a..f5bb842826 100644
--- a/NEWS
+++ b/NEWS
@@ -31,6 +31,9 @@ PHP NEWS
use-after-free). (cmb)
. Fixed bug #77270 (imagecolormatch Out Of Bounds Write on Heap). (cmb)
+- MBString:
+ . Fixed bug #77367 (Negative size parameter in mb_split). (Stas)
+
- OCI8:
. Fixed bug #76804 (oci_pconnect with OCI_CRED_EXT not working). (KoenigsKind)
. Added oci_set_call_timeout() for call timeouts.
diff --git a/ext/mbstring/php_mbregex.c b/ext/mbstring/php_mbregex.c
index 68922b6966..85219b00e4 100644
--- a/ext/mbstring/php_mbregex.c
+++ b/ext/mbstring/php_mbregex.c
@@ -1238,7 +1238,6 @@ PHP_FUNCTION(mb_split)
size_t string_len;
int err;
- size_t n;
zend_long count = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss|l", &arg_pattern, &arg_pattern_len, &string, &string_len, &count) == FAILURE) {
@@ -1296,8 +1295,8 @@ PHP_FUNCTION(mb_split)
}
/* otherwise we just have one last element to add to the array */
- n = ((OnigUChar *)(string + string_len) - chunk_pos);
- if (n > 0) {
+ if ((OnigUChar *)(string + string_len) > chunk_pos) {
+ size_t n = ((OnigUChar *)(string + string_len) - chunk_pos);
add_next_index_stringl(return_value, (char *)chunk_pos, n);
} else {
add_next_index_stringl(return_value, "", 0);
diff --git a/ext/mbstring/tests/bug77367.phpt b/ext/mbstring/tests/bug77367.phpt
new file mode 100644
index 0000000000..0ba76fd23c
--- /dev/null
+++ b/ext/mbstring/tests/bug77367.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Bug #77367 (Negative size parameter in mb_split)
+--SKIPIF--
+<?php
+if (!extension_loaded('mbstring')) die('mbstring extension not available');
+if (!function_exists('mb_split')) die('mb_split() not available');
+?>
+--FILE--
+<?php
+mb_regex_encoding('UTF-8');
+var_dump(mb_split("\\w", "\xfc"));
+?>
+===DONE===
+--EXPECT--
+array(2) {
+ [0]=>
+ string(0) ""
+ [1]=>
+ string(0) ""
+}
+===DONE===