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Subject: Prevent heap-use-after-free read in HTMLlineproc0()
From: Tatsuya Kinoshita <tats@debian.org>
Bug-Debian: https://github.com/tats/w3m/issues/81
Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=aa2077e06fc11f65ba1773e8f5da83d98057e829
---
file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/file.c b/file.c
index da16a0a..6ecb0a6 100644
--- a/file.c
+++ b/file.c
@@ -6328,7 +6328,7 @@ HTMLlineproc0(char *line, struct html_feed_environ *h_env, int internal)
}
if (h_env->tagbuf->length == 0)
continue;
- str = h_env->tagbuf->ptr;
+ str = Strdup(h_env->tagbuf)->ptr;
if (*str == '<') {
if (str[1] && REALLY_THE_BEGINNING_OF_A_TAG(str))
is_tag = TRUE;
--
2.10.2
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