dp.h: check _ucs2size in format_ucs2() #250
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When memcpy() is called in format_ucs2(), the value of ucs2size - sizeof(uint16_t) is not checked. It may result in out-of-bounds writing due to integer underflow. Signed-off-by: century6 <zhangqiumiao1@huawei.com>
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@vathpela @frozencemetery Could this PR be merged please? It's been in review for more than one month with no negative reviews. |
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When memcpy() is called in format_ucs2(), the value of ucs2size - sizeof(uint16_t) is not checked. It may result in out-of-bounds writing due to integer underflow.