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-rw-r--r--builtin-unpack-objects.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/builtin-unpack-objects.c b/builtin-unpack-objects.c
index 9f4bdd3296..47ed610677 100644
--- a/builtin-unpack-objects.c
+++ b/builtin-unpack-objects.c
@@ -370,6 +370,8 @@ static void unpack_delta_entry(enum object_type type, unsigned long delta_size,
base_offset = (base_offset << 7) + (c & 127);
}
base_offset = obj_list[nr].offset - base_offset;
+ if (base_offset <= 0 || base_offset >= obj_list[nr].offset)
+ die("offset value out of bound for delta base object");
delta_data = get_data(delta_size);
if (dry_run || !delta_data) {