5 results · Feed
-
Low 2.5
M17n-lib: uninitialized stack read in iso-2022 compound text utf-8 decoding
A flaw was found in m17n-lib. An attacker who supplies crafted input to an application processing ISO-2022 encoded text can cause the library to read uninitialized memory from the stack. If the application exposes or returns the decoded output, this flaw can …
-
Medium 6.2
M17n-lib: null-pointer write in read_mtext_element() on malformed utf-8
A flaw was found in m17n-lib. An attacker could provide specially crafted or truncated UTF-8 input to trigger an unhandled null pointer dereference during text processing. This issue causes the application to crash unexpectedly, resulting in a Denial of Servi…
-
Medium 6.2
M17n-lib: heap use-after-free write in re_init_ic()
A flaw was found in m17n-lib. A user providing specially crafted text input can trigger a heap use-after-free condition during input-method state transitions. Under specific conditions, the library frees an internal input context object but subsequently attem…
-
Low 2.9
M17n-lib: null dereference in minput_open_im() after failed m17n_init()
A flaw was found in m17n-lib. A partial failure during library initialization can leave an internal driver pointer uninitialized. Under specific error conditions, such as system resource exhaustion or database corruption, an application attempting to open an …
-
Medium 6.2
M17n-lib: parser infinite loop on malformed utf-8 in count_utf_8_chars()
A flaw was found in m17n-lib. By providing crafted input containing an invalid UTF-8 character sequence, an attacker can cause the text parsing function to enter an infinite loop. This issue leads to sustained high CPU utilization, resulting in a Denial of Se…