From 789f23386ea61b986bdf30751a696bea33286f0a Mon Sep 17 00:00:00 2001 From: Toni Uhlig Date: Thu, 27 Jan 2022 14:43:12 +0100 Subject: Fixed heap overflow in nDPI realloc wrapper if new size < old size. Signed-off-by: Toni Uhlig --- src/lib/ndpi_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c index e4106d58d..4c118bc03 100644 --- a/src/lib/ndpi_main.c +++ b/src/lib/ndpi_main.c @@ -205,7 +205,7 @@ void *ndpi_realloc(void *ptr, size_t old_size, size_t new_size) { return(ret); else { if(ptr != NULL) { - memcpy(ret, ptr, old_size); + memcpy(ret, ptr, (old_size < new_size ? old_size : new_size)); ndpi_free(ptr); } return(ret); -- cgit v1.2.3