[mle] add length check for AES-CCM tag (#2106)
[mle] add length check for AES-CCM tag (#2106)

Credit to OSS-Fuzz.
turon/openthread,erja-gp/openthread,pvanhorn/openthread,fbsder/openthread,librasungirl/openthread,aeliot/openthread,erja-gp/openthread,bukepo/openthread,xiaom-GitHub/openthread,lanyuwen/openthread,erja-gp/openthread,chshu/openthread,pvanhorn/openthread,pvanhorn/openthread,aeliot/openthread,lanyuwen/openthread,georgecpr/openthread,xiaom-GitHub/openthread,abtink/openthread,jwhui/openthread,abtink/openthread,gandreello/openthread,georgecpr/openthread,LeZhang2016/openthread,openthread/openthread,bukepo/openthread,georgecpr/openthread,fbsder/openthread,xiaom-GitHub/openthread,librasungirl/openthread,jwhui/openthread,mszczodrak/openthread,aeliot/openthread,openthread/openthread,srickardti/openthread,lanyuwen/openthread,srickardti/openthread,mszczodrak/openthread,fbsder/openthread,mszczodrak/openthread,lanyuwen/openthread,openthread/openthread,turon/openthread,georgecpr/openthread,xiaom-GitHub/openthread,aeliot/openthread,turon/openthread,aeliot/openthread,gandreello/openthread,pvanhorn/openthread,georgecpr/openthread,lanyuwen/openthread,vaas-krish/openthread,librasungirl/openthread,srickardti/openthread,LeZhang2016/openthread,erja-gp/openthread,srickardti/openthread,mszczodrak/openthread,fbsder/openthread,LeZhang2016/openthread,chshu/openthread,fbsder/openthread,chshu/openthread,LeZhang2016/openthread,vaas-krish/openthread,vaas-krish/openthread,gandreello/openthread,chshu/openthread,xiaom-GitHub/openthread,xiaom-GitHub/openthread,gandreello/openthread,pvanhorn/openthread,georgecpr/openthread,openthread/openthread,aeliot/openthread,erja-gp/openthread,bukepo/openthread,gandreello/openthread,gandreello/openthread,fbsder/openthread,turon/openthread,mszczodrak/openthread,vaas-krish/openthread,erja-gp/openthread,LeZhang2016/openthread,abtink/openthread,mszczodrak/openthread,vaas-krish/openthread,chshu/openthread,vaas-krish/openthread,jwhui/openthread,jwhui/openthread,lanyuwen/openthread,chshu/openthread,LeZhang2016/openthread,librasungirl/openthread,bukepo/openthread,pvanhorn/openthread,abtink/openthread