libosmocore through 1.14.1 contains an out-of-bounds read in the CBSP WRITE-REPLACE decoder in src/gsm/cbsp.c. This allows a remote attacker to cause a denial of service.
https://osmocom.org/issues/7053
https://github.com/osmocom/libosmocore/commit/1659b5874223934d5586e3e96b7d59f653c90ea6