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| author | Stanislav Malyshev <stas@php.net> | 2020-01-22 22:36:53 -0800 |
|---|---|---|
| committer | Stanislav Malyshev <stas@php.net> | 2020-01-22 22:37:30 -0800 |
| commit | 2dc170e25d86a725fefd4c08f2bd8378820b28f5 (patch) | |
| tree | f6425e67a0ef359c900c48ab6d6c40322888c0ac | |
| parent | 7e2bd95fa5fb903bc0e125f4bbb21b93f3de2398 (diff) | |
| download | php-git-2dc170e25d86a725fefd4c08f2bd8378820b28f5.tar.gz | |
More checks for php_strip_tags_ex
| -rw-r--r-- | ext/standard/string.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/standard/string.c b/ext/standard/string.c index fb44cc505d..749e57b7d5 100644 --- a/ext/standard/string.c +++ b/ext/standard/string.c @@ -4816,7 +4816,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const switch (state) { case 1: /* HTML/XML */ lc = '>'; - if (is_xml && *(p -1) == '-') { + if (is_xml && p >= buf + 1 && *(p-1) == '-') { break; } in_q = state = is_xml = 0; @@ -4837,7 +4837,7 @@ PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const break; case 2: /* PHP */ - if (!br && lc != '\"' && *(p-1) == '?') { + if (!br && lc != '\"' && p >= buf + 1 && *(p-1) == '?') { in_q = state = 0; tp = tbuf; } |