Fix leak when path is too long in ZipArchive::extractTo()

I did not find an easy way to trigger this branch without also
triggering some other error conditions earlier.

Closes phpGH-19002.

Author: ndossche

NEWS

@@ -42,6 +42,9 @@ PHP                                                                        NEWS
   . Fixed GH-13264 (fgets() and stream_get_line() do not return false on filter
     fatal error). (Jakub Zelenka)
 
+- Zip:
+  . Fix leak when path is too long in ZipArchive::extractTo(). (nielsdos)
+
 03 Jul 2025, PHP 8.3.23
 
 - Core:

ext/zip/php_zip.c

@@ -218,6 +218,7 @@ static int php_zip_extract_file(struct zip * za, char *dest, const char *file, s
 		return 0;
 	} else if (len > MAXPATHLEN) {
 		php_error_docref(NULL, E_WARNING, "Full extraction path exceed MAXPATHLEN (%i)", MAXPATHLEN);
+		efree(fullpath);
 		efree(file_dirname_fullpath);
 		zend_string_release_ex(file_basename, 0);
 		CWD_STATE_FREE(new_state.cwd);